Great Zimbabwe’s residents turned old clay quarries below the Hill Complex into reservoirs that could hold at least 4.9 million gallons of water, and nearby clans still manage springs around the old stone city
Great Zimbabwe's residents stored rain and groundwater in big hollows called dhaka pits. Those reservoirs could have held at least 4.9 million gallons (18,400 cubic meters), according to a team led by archaeologist Innocent Pikirayi of the University…
A 38-year-old artist built an earthen house in Argentina’s Traslasierra Valley with about 12 car windshields given away in the town where she grew up, and from above its two hexagons form a heart
Mariana Di Pascuale, a 38-year-old painter and biodanza facilitator, built an earthen house in Los Hornillos, a village in Argentina's Traslasierra Valley,…
In Yunnan’s Yanjin, the so-called world’s narrowest city squeezes homes into a river valley that narrows to about 98 feet, and the famous 400,000 population figure actually covers the whole county, not the town
In the mountains of southwestern China, Yanjin squeezes homes and roads into a river valley that narrows to about 98 feet. Often…
In Slovakia’s Liptov and Lower Orava regions, brown bears damaged 130 hives in 37 raids between 2020 and 2024, and more than two-thirds of those raids hit beehives behind electric fences
Brown bears damaged 130 beehives in 37 raids in Slovakia's Liptov and Lower Orava regions between 2020 and 2024, according to a…
An estimated 4.2 million balcony solar systems are now plugged in at homes and apartments in Germany, and in Croatia the same small kit still needs a certified installer, design documents and paid metering
Germany now has an estimated 4.2 million balcony solar systems plugged in at homes and apartments, according to the country's Environment Agency…
Ancient sled dogs from sites up to 2,000 years old on Russia’s Chukotka coast had stubby legs like today’s teams, about 6 percent shorter than other canids, and a model explains the pulling advantage
Ancient sled dogs from sites on Russia's Chukotka coast up to 2,000 years old had the same short legs as modern sled…
More than 750 nesting boxes for native birds have come from a Coppell, Texas, teenager who lost his pet cockatiel, he says, and his Backyard Bird Project has grown to chapters in 24 states and three countries
A teenager in Coppell, Texas, says he has built and installed more than 750 nesting boxes for native birds, and his Backyard…
Two owner-builders priced out of Melbourne built a 2,286-square-foot Earthship in Cygnet, Tasmania, with rammed earth walls, bottle bricks and no fireplace, and they say their heating bills are $0
Kate and Matt, two owner-builders priced out of Melbourne, have built a 2,286-square-foot (212.4-square-meter) Earthship in Cygnet, in southern Tasmania, with rammed…
In 50 homes around Raleigh, North Carolina, researchers found spiders in every single house, and tidiness made no significant difference to the variety of bugs, so a spider does not mean your house is dirty
A spider on a freshly cleaned bathroom wall can make you wonder what you missed. But finding one does not, by itself,…
Scientists hauled deep-sea spaghetti worms with suction cups from about 2,200 feet down off Australia’s Cocos (Keeling) Islands, and the orange animals turned out to be a genus new to science
Scientists working off Australia's Cocos (Keeling) Islands have described a genus of deep-sea spaghetti worms new to science, named Terebellosuctoria for the…
42 satellite surveys show 11.3 trillion metric tons of polar ice loss across Greenland and Antarctica since 1979, and 84 percent of it came from glaciers flowing faster into the ocean rather than surface melt
Greenland and Antarctica lost 11.3 trillion metric tons of ice between 1979 and 2023, roughly 12.5 trillion US tons, according to a…
In Romania’s Brașov County, brown bears number about 1,329 by a national genetic estimate, the highest density of any county, and one bear relocated from Poiana Brașov was back within 3 days
Romania's national genetic estimate puts the country's brown bears at 10,657 to 12,787, and Brașov County has the highest density of any…
More than 40 Magellanic penguins born in captivity arrived by court order from Mar del Plata at a river island in Argentina’s Río Negro province, and at first they had not explored even a third of their new home
More than 40 Magellanic penguins born in captivity have moved from Mar del Plata to Bubalcó, a wildlife refuge on a river…
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A landslide sent a tsunami 1,578 feet up a fjord wall in AlaskaOctober 23
Did you know? #08 - Five moon bears left a Korean bile farm for an English forestOctober 23
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Emissions Gap Report 2026: UN chief says 1.5°C overshoot is now unavoidableOctober 23
NASA: two spacewalks will lift ISS power from 160 to 215 kWOctober 21
NOAA: this El Niño is already the 2nd strongest on recordOctober 21Science
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Great Zimbabwe’s residents turned old clay quarries below the Hill Complex into reservoirs that could hold at least 4.9 million gallons of water, and nearby clans still manage springs around the old stone city
Great Zimbabwe's residents stored rain and groundwater in big hollows called dhaka pits. Those reservoirs could have held at least 4.9 million…
53 fish species turned up around retired army tanks and train cars that Thailand sank off Narathiwat in 2010, and a diver found the biggest schools only around the tanks
In 2010, Thai authorities sank 25 retired army tanks off Narathiwat province, near the Malaysian border, as new fishing grounds. A diver…
Two University of Alberta physicists traced millisecond swings in Earth’s length of day to the inner core’s gravitational tug on the mantle, and their model suggests the solid core deforms in about 10 years
A day on Earth isn't exactly 24 hours. Physicists at the University of Alberta now say the solid inner core's gravity explains…
Ancient sled dogs from sites up to 2,000 years old on Russia’s Chukotka coast had stubby legs like today’s teams, about 6 percent shorter than other canids, and a model explains the pulling advantage
Ancient sled dogs from sites on Russia's Chukotka coast up to 2,000 years old had the same short legs as modern sled…
Scientists hauled deep-sea spaghetti worms with suction cups from about 2,200 feet down off Australia’s Cocos (Keeling) Islands, and the orange animals turned out to be a genus new to science
Scientists working off Australia's Cocos (Keeling) Islands have described a genus of deep-sea spaghetti worms new to science, named Terebellosuctoria for the…
A landslide in Alaska’s Tracy Arm fjord sent a tsunami 1,578 feet up the opposite wall, and a Science study found small tremors striking every 30 to 60 seconds in the hours before the collapse
On August 10, 2025, more than 64 million cubic meters (about 2.3 billion cubic feet) of rock fell into Tracy Arm fjord…
ECOticias.com · Latest from our Spanish edition
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En las Galápagos, una expedición buscó ballenas azules de octubre a julio sin ver ninguna en un mar de hasta 27,56 °C, y en septiembre una guía avistó una madre con su cría
Un equipo de científicos buscó ballenas azules en las aguas de Galápagos entre octubre de 2025 y julio de 2026 …
En 1872 el naturalista Ferdinand Stoliczka recogió en Kutch la serpiente de las arenas afroasiática y 154 años después un oficial forestal de Gujarat ha vuelto a documentarla con una foto en la misma región
El Departamento Forestal de Gujarat, en el oeste de la India, ha documentado una serpiente de las arenas afroasiática (Psammophis …
Cincuenta y nueve centímetros ha perdido el lago Titicaca en Huatajata (Bolivia) desde el 24 de abril, y el Senamhi de Perú prevé menos caudal de lo normal en sus ríos desde diciembre
El lago Titicaca ha bajado 59 centímetros en la estación boliviana de Huatajata entre el 24 de abril y el …
Los 20.000 árboles nativos que repueblan un bosque quemado de Chubut, en la Patagonia, viajaron en helicóptero, y el equipo técnico tardó casi dos días en llegar en lancha, tractor y a caballo
Poco más de 20.000 árboles nativos llegaron en abril de 2026 al Parque Provincial El Turbio, en Chubut, en la …
El parque de las islas Tortuga de Sabah enfría con sombra sus viveros de tortuga verde 2,1 °C y un estudio de 113 nidos avisa de que podría no bastar con más calor
Sabah Parks gestiona el parque de las islas Tortuga, en el norte de Borneo, y enfría con sombra la arena …
En 1972 se hundieron 50.000 ruedas de una vez frente a Fort Lauderdale para crear un arrecife de neumáticos y Florida ha sacado 535.676 desde 2015 y calcula 137 millones de dólares para terminar
Florida retiró 535.676 neumáticos del fondo del mar frente a Fort Lauderdale entre 2015 y 2025. Lo dice el balance …
Environment
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Ten years after New South Wales teamed up with conservationists, 13 locally extinct mammals are back in three fenced reserves, and some gone over a century now breed safe from feral cats and foxes
New South Wales has reintroduced 13 locally extinct mammals to three fenced conservation sites, the state government announced on June 29, 2026.…
A $10 million NOAA project is laying stone for more than 70 acres of Chesapeake Bay oyster reef habitat in Maryland’s Hooper Strait, and partners aim to restore or conserve 2,000 more acres by 2040
A $10 million NOAA grant is paying for more than 70 acres (28 hectares) of new Chesapeake Bay oyster reef at Maryland's…
Satellites tracked a loss of about 4.6 trillion gallons of groundwater in the snow-fed Upper Colorado River Basin during the 2020-2022 drought, and that is nearly double what the drier Lower Basin lost
The snow-fed Upper Colorado River Basin lost about 4.6 trillion gallons (17.5 cubic kilometers) of groundwater during the 2020-2022 drought, nearly double…
A 38-year-old artist built an earthen house in Argentina’s Traslasierra Valley with about 12 car windshields given away in the town where she grew up, and from above its two hexagons form a heart
Mariana Di Pascuale, a 38-year-old painter and biodanza facilitator, built an earthen house in Los Hornillos, a village in Argentina's Traslasierra Valley,…
In Slovakia’s Liptov and Lower Orava regions, brown bears damaged 130 hives in 37 raids between 2020 and 2024, and more than two-thirds of those raids hit beehives behind electric fences
Brown bears damaged 130 beehives in 37 raids in Slovakia's Liptov and Lower Orava regions between 2020 and 2024, according to a…
More than 750 nesting boxes for native birds have come from a Coppell, Texas, teenager who lost his pet cockatiel, he says, and his Backyard Bird Project has grown to chapters in 24 states and three countries
A teenager in Coppell, Texas, says he has built and installed more than 750 nesting boxes for native birds, and his Backyard…
Energy
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An estimated 4.2 million balcony solar systems are now plugged in at homes and apartments in Germany, and in Croatia the same small kit still needs a certified installer, design documents and paid metering
Germany now has an estimated 4.2 million balcony solar systems plugged in at homes and apartments, according to the country's Environment Agency…
At Germany’s Karlsruhe Institute of Technology, a prototype cooling system uses heat instead of an electric motor to stretch an ultrathin metal film, and it reached a 4°C temperature difference across the device
Researchers in Germany and Japan have demonstrated a cooling system in which heat supplies the force normally provided by an electric motor.…
In Corvallis, Oregon, chemists separated zirconium and hafnium in water with choline, a common food additive, reaching a separation factor of 33, and the solvent method used at two U.S. plants scores 6 to 7
Chemists at Oregon State University in Corvallis, Oregon, have patented a way to separate zirconium and hafnium in water, with no organic…
Princeton physicists reworked a 70-year-old fusion rule and calculated heating plasma first is the lowest-energy path to fusion ignition, while a trace of tungsten can roughly double the pressure
In 2015, Luis Delgado-Aparicio, a physicist at a U.S. Department of Energy fusion laboratory in New Jersey, won a five-year, $2.6 million…
When he was 15, he wanted to impress his mother with a kite, and that crazy idea ended up leading him to design a home turbine; what’s more, he has already sold his entire projected production for 2027
In a video KiteX posted in June 2026, founder Andreas Okholm stands in a field next to a slim mast held up…
Fervo’s Cape Station in Utah began commercial operation a day early at 33 MW, a first for utility-scale enhanced geothermal plants, and its co-founder traces the idea to overheating drill motors
Tim Latimer's road to Cape Station, the enhanced geothermal plant his company now runs in Utah, started with a maintenance problem. In…
Mobility
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Over the Atlantic in 2001, Air Transat Flight 236 lost power to both engines and glided about 75 miles for roughly 19 minutes, and all 306 people aboard survived a hard landing in the Azores
An airliner running out of fuel over the ocean sounds like a situation with no way out. Yet on August 24, 2001,…
New Mexico’s Sceye flew a solar-powered stratospheric airship about 18,600 miles to Japan and back in about a month and used it to beam calls and video to ordinary smartphones from more than 54,000 feet
On the morning of August 9, 2026, a silver stratospheric airship rose out of the New Mexico desert and set off across…
Cologne tested a curb charger that hides a 22-kilowatt EV socket inside a standard-size curbstone, logging 2,829 charging sessions with over 99 percent availability, and installation still cost about the same as a charging post
Four curb chargers on Klosterstrasse and Dürener Strasse in Cologne logged 2,829 validated charging sessions in 329 days and were available more…
The world’s largest construction vessel had to take on ballast water and sink lower to fit under the 213-foot clearance of Denmark’s Great Belt Bridge on its way to a Baltic wind farm
Pioneering Spirit, the world’s largest construction vessel, passed under Denmark’s Great Belt Bridge on Tuesday, September 29, on its way to install…
Maersk fueled the 9,016-TEU Tangier Maersk with 100 percent corn ethanol in America’s first ethanol bunkering of a deep-sea container ship, as a national lab says today’s methanol-ready fleet could burn 2 billion gallons yearly
Andrea Lazzaro, head of business development at the marine engine designer WinGD, told Ship & Bunker in an interview published in March…
The Agua Negra tunnel plan calls for a custom machine to bore twin 8.6-mile tubes under the Andes, but the $1.5 billion Argentina-Chile project has been stuck since the IDB approved it in 2017
By August 7, 2026, the Cristo Redentor pass between Mendoza and Santiago had been closed by snow for 24 days, with more…
hoyECO · Sustainable living, in Spanish
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1 millón de personas han conocido la campaña de ahorro de agua de Neha Blunt, programadora de 13 años de Nueva Jersey, y Action for Nature calcula que ahorró 75,7 millones de litros
La campaña de ahorro de agua de Neha Blunt, una programadora de 13 años de Marlton (Nueva Jersey), ha llegado …
Las torres de cuatro aerogeneradores de Prescott cayeron con el tornado de Greenfield en 2024, y en un modelo de Iowa State una torre de 95 metros se pliega a unos 9 metros del suelo
El tornado de Greenfield cruzó el suroeste de Iowa (Estados Unidos) el 21 de mayo de 2024. A su paso …
En el mar de Weddell, en la Antártida, el robot de una expedición que buscaba el Endurance de Shackleton grabó 1036 nidos de peces activos y muchos estaban ordenados en líneas, óvalos y medias lunas
En 2019, una expedición que buscaba el Endurance de Ernest Shackleton grabó cientos de nidos de peces en el mar …
Del laboratorio en 2024 a una carretera de Michigan en 2025: un asfalto con vidrio reciclado al 6 % resistió un 42,3 % mejor las roderas, y Michigan Tech metió vidrio bajo 1402 metros de vía
Cinco investigadores de China y de la Universidad Tecnológica de Michigan (Michigan Tech) publicaron en 2024 los ensayos de un …
Jean Thie encontró en 2007, con Google Earth, una presa de castores de unos 850 metros en Wood Buffalo (Canadá) cuyo estanque retiene unos 70 millones de litros de agua de los montes Birch
El ecólogo canadiense Jean Thie encontró en Google Earth, el 2 de octubre de 2007, una presa de castores de …
En Newcastle, Australia, un equipo universitario recuperó casi el 100 % de la plata de las células solares de unos 460 kilos de paneles viejos y la separó sin ácido, con agua y burbujas
Un equipo de la Universidad de Newcastle, en Australia, ha recuperado casi el 100 % de la plata de las …
Technology
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In Yunnan’s Yanjin, the so-called world’s narrowest city squeezes homes into a river valley that narrows to about 98 feet, and the famous 400,000 population figure actually covers the whole county, not the town
In the mountains of southwestern China, Yanjin squeezes homes and roads into a river valley that narrows to about 98 feet. Often…
In Japan, researchers led by Tohoku University used an inexpensive blue pigment to turn carbon dioxide into methane with 79.5% Faradaic efficiency, and methane selectivity stayed above 60% for about 80 hours
An inexpensive blue pigment has helped researchers in Japan turn carbon dioxide into methane in a single electrochemical process. The laboratory advance…
A company won a mining license for a magnesium deposit it estimates at more than 50 million metric tons near Rășinari, in Romania’s Sibiu County, and the EU gets 97 percent of its magnesium from China
Order 529 of Sept. 3, 2026, gave Mineral Proiect Invest S.A. (MPI) mining concession license 29.694/2026 at Valea Dobra, a magnesium deposit…
At Japan’s car parts shipping sites, workers read about 10 barcodes per product until DENSO’s Masahiro Hara created the QR code in 1994, and it now tracks glass eels for an expected 10,000 traders a year
Masahiro Hara, a barcode engineer at DENSO, created the QR code in 1994 after watching workers at car parts shipping sites in…
Pegasus, a 16-foot-wide drone built by three Australian companies, flew for almost 2 hours over Queensland on a single lithium-sulfur battery pack, and its makers now expect missions of 5 to 8 hours
On its longest test flight, over Queensland in Australia, a drone called Pegasus ran on one lithium-sulfur battery pack for almost 2…
Louisiana’s Lake Peigneur emptied into a salt mine within hours in 1980 while a Texaco rig drilled on the lake, and about 50 miners escaped, but federal investigators never pinned down the exact cause
Leonce Viator Jr. had taken his nephew out to their favorite fishing hole on Lake Peigneur early on November 20, 1980. "I…
Economy
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Two amateur archaeologists found 141 Roman gold coins in a field in Luxembourg, and beneath them, they also discovered a fortification that had been buried for more than 1,600 years
Two amateur archaeologists prospecting a plowed field near Holzthum, a village in northern Luxembourg, set off a find that ended with 141…
In 1988, a treasure hunter discovered a ship loaded with gold that had been sunk since 1857, but he ended up spending more than 11 years behind bars over 500 coins whose whereabouts remain a mystery
Finding a sunken fortune sounds like the end of a treasure hunt. For American engineer Tommy Thompson, it became the beginning of…
A miner pushing dirt with a bulldozer near Ruby, Alaska, in 1998 spotted something unusual, and it turned out to be the state’s largest gold nugget, a 294.1-troy-ounce mass that later sold for $750,000
In 1998, Barry Clay was pushing dirt with a bulldozer on a placer claim along Swift Creek, near the Yukon River village…
Someone laying a patio in northern Denmark dug up the country’s largest known Viking silver hoard, 18.5 kilograms of bracelets, bars and coins, and one bar is scratched with a runic word experts have never seen before
"It was only supposed to be a couple of hours of hard yard work," the finder said, translated from Danish. The job…
A Wyoming coal mine bought for $2 million in 2011 holds what Ramaco calls the largest unconventional rare earth deposit in the US, and a new engineering report has pushed first production back to 2031
Randall Atkins went to Wyoming looking for coal. In 2011 his company bought the defunct Brook Mine near Sheridan for $2 million,…
A metal detectorist near Cologne stopped digging after 15 silver coins and called archaeologists, who then found 934 Roman denarii, the largest hoard from Hadrian’s time ever found in Germany
Oliver Riedl had already pulled 15 silver coins out of a field near Wesseling, south of Cologne, and his metal detector was…
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At a fire lab at Brazil’s Unisinos University, Tetra Pak carton strips carried flames nearly 6 inches in 14 seconds, and the 17.6°F they took off a test roof’s surface shrank indoors
At a fire lab at Brazil's Unisinos University, strips of Tetra Pak carton, the material promoted online as a cheap way to…
Kelvin Doe built a battery, a generator and an FM radio station from Freetown’s trash and reached MIT at 15, and 14 years later he is building a free youth makerspace in Toronto
Kelvin Doe grew up in Freetown, Sierra Leone, and as a teenager he dug through the garbage for parts to build his…
Juan, 29, chose an olive farm near Tarragona, Spain, over a Barcelona apartment costing more than $1,100 a month, and now he sells organic olive oil and grows 80 percent of his vegetables
Juan keeps his organic olive oil in a little stone hut at the mouth of a tunnel in a Catalan hillside. "We…
A Burkina Faso farmer filled zaï pits with manure and grew a nearly 100-acre forest on abandoned land, and a study found termite tunnels made rain soak in 2 to 4 times faster
The sun was going down on another scorching day when journalist Mark Hertsgaard found Yacouba Sawadogo walking through his woods with a…
Naples Botanical Garden shows how an empty 2-liter soda bottle becomes a self-watering planter with a cotton wick, and a University of Kentucky extension guide says capillary action can lift water about 4 inches
"Have you ever wanted to grow herbs and vegetables, but you're worried about remembering to water them? There is a solution for…
A village of a few dozen winter residents on Stromboli reopened what Italian media call the smallest school in Europe for one 6-year-old girl, and her mother says the alternative was splitting the family
On September 10, 2026, a 6-year-old named Aysha went off to her first day of school in Ginostra, a tiny hamlet on…
