Ugo Lacheny

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Black Rhinos Roam Chad for the First Time in 46 Years

Pigs don’t fly yet, but rhinos do.<p>Six black rhinoceroses were flown from South Africa to Zakouma National Park in Chad last week, reuniting the threatened animal with a land it has not roamed in nearly five decades.<p>Chad is one of several African countries that have recently sought to start their …

South Africa

Ground Zero of Amphibian 'Apocalypse' Finally Found

An ancient skin-eating fungus is killing off hundreds of species—and the Korean War may have helped spread it.<p>Many of the world's amphibians are staring down an existential threat: an ancient skin-eating fungus that can wipe out entire forests' worth of frogs in a flash.<p>This ecological …

Imperial College London

This Is Why You Don't See People-Size Salmon Anymore

While the orcas of Puget Sound are sliding toward extinction, orcas farther north have been expanding their numbers. Their burgeoning hunger for big fish may be causing the killer whales' main prey, chinook salmon, to shrink up and down the West Coast.<p>Chinook salmon are also known as kings: the …

Puget Sound

Dramatic Whale Hunts Depicted in Ancient Rock Art

The paintings match historical artifacts that suggest hunters set out on small boats with makeshift harpoons.<p>Using makeshift harpoons and rafts, a hunter spears a large whale.<p>It would have been a welcome kill for hunter-gatherers living in one of the world's driest regions, Chile's Atacama Desert, …

Archaeology

China Says We Don't Want Your Plastic

For years, China has been the top importer of recyclable material, taking in about half of the world's plastics and paper and turning the rubbish …

Two of the world’s deadliest snakes fought, and both lost

It’s not often that a single photo taken by a seemingly anonymous photographer becomes a subject of interest for scientists, but that seems to …

Zoology

No, We're Not All Doomed by Earth's Magnetic Field Flip

A geomagnetic apocalypse may not be on the horizon, but there is some fascinating science behind the doomsday hype.<p>Many times over our planet’s history, Earth’s magnetic poles have reversed, meaning that sometimes a compass pointing north will be aimed at Antarctica rather than the Arctic. This …

Magnetism

In extreme heat, trees stop sucking carbon from the air

Carbon Capture<p>Researchers in Australia have made a strange new observation about how trees respond to extreme temperatures. After observing trees in …

Climate Change

Gassy farm soils are a shockingly large source of these air pollutants

California’s crops are creating some noxious air.<p>The Golden State is at the vanguard in the United States in reducing auto emissions of nitrogen …

Cape Town Is Set to Run Out of Water in Less Than 100 Days

A terrifying scenario.<p>Over the past three years, a lot has changed for the city of Cape Town.<p>Seated in a geologic bowl beneath Table Mountain and …

Alaska’s Caribou Boomed Last Year and Scientists Aren’t Sure Why

Alaska’s caribou are having a moment. Last year, for the first time since 2003, the Western Arctic caribou herd—the state’s largest herd—grew, and by …

Buried For Up to 50,000 Years, a Perfectly Frozen Cave Lion Cub Was Just Found in Siberia

There is talk about cloning!<p>With its head resting on its paw, the remains of a cave lion cub found frozen in Siberia could have been sleeping in the …

The US is the only developed country on a list of nations with the highest pollution-related deaths — here are the top 10

Environmental pollution — from filthy air to contaminated water — is killing more people every year than all war and violence in the world. More than smoking, hunger or natural disasters. More than AIDS, tuberculosis and malaria combined.<p>One out of every six premature deaths in the world in 2015 — …

The world is abandoning coal-fired electricity at an astonishing pace

Coal is the dirtiest of fossil fuels—it produces per kilogram the least amount of energy and the greatest amount of pollution—and the world is quickly abandoning it.<p>According to findings published by the NGOs Greenpeace and CoalSwarm on Wednesday (Oct. 18), countries are using coal less and less to …

Fossil Fuels

Why King Tides Are Flooding Coastal Cities More Often

People living along the coast are no strangers to significant weather — they often deal with hurricanes, rising sea levels and tropical storms. But …

Volcanoes Helped Violent Revolts Erupt in Ancient Egypt

The Ptolemaic Kingdom was a prosperous time in Egypt’s ancient history, nearly three centuries from 305 B.C. to 30 B.C. that saw the reign of Queen Cleopatra VII and the construction of the Great Library and the Lighthouse of Alexandria.<p>But during the period there were also several bloody Egyptian …

Ancient History

Hiker rescues rooster on Appalachian Trail, carries him 42 miles to safety

You might call this fluffy guy here the cluckiest rooster on earth.<p>Heather Bolint was not expecting to rescue a rooster while fulfilling her lifelong dream of hiking the Appalachian Trail. The rooster also couldn't have expected he'd find himself the absolute perfect rescuer.<p>Bolint is an animal …

California Winds Are Fueling Fires. It May Be Getting Worse.

Powerful, hot and dry winds like those that have fanned the deadly wildfires now raging in California are a common occurrence in the state, a result of regional atmospheric patterns that develop in the fall.<p>The impact of climate change on the winds is uncertain, although some scientists think that …

Climate Change

Worrying New Research Finds That The Ocean Is Cutting Through a Key Antarctic Ice Shelf

Here's why that matters.<p>A new study published Tuesday has found that warm ocean water is carving an enormous channel into the underside of one of the …

Antarctica

The First Thorium Salt Reactors in Over 40 Years Were Just Switched on in Europe

This could mean safer, cleaner nuclear energy.<p>A Dutch energy company has just embarked on a series of experiments testing the use of molten thorium …

How California Plans to Go Far Beyond Any Other State on Climate

Over the past decade, California has passed a sweeping set of climate laws to test a contentious theory: that it’s possible to cut greenhouse gas emissions far beyond what any other state has done and still enjoy robust economic growth.<p>Now that theory faces its biggest test yet. Last August, the …

Cap and Trade

Arctic stronghold of world’s seeds flooded after permafrost melts

No seeds were lost but the ability of the rock vault to provide failsafe protection against all disasters is now threatened by climate change<p>It was designed as an impregnable deep-freeze to protect the world’s most precious seeds from any global disaster and ensure humanity’s food supply forever. …

Global Warming

New map reveals the world's most toxic countries

1/10<p>Toxic Countries World Map Full Width Tall<p>Just about every country in the world grapples with pollution, no matter how rich or poor they are. But …

Pollution

Human-Pig Hybrid Created in the Lab—Here Are the Facts

Scientists hope the chimera embryos represent key steps toward life-saving lab-grown organs.<p>In a remarkable—if likely controversial—feat, scientists announced today that they have created the first successful human-animal hybrids. The project proves that human cells can be introduced into a …

Genetics

Scientists Discover Prehistoric Giant Otter Species In China

Six million years ago, giant otters weighing more than 100 pounds lived among birds and water lilies in the wooded wetlands of China's Yunnan province.<p>That's according to new research from a team of scientists who discovered a well-preserved cranium of the newly-discovered species in an open …

Paleontology

The World's Largest Shark Had a Fatal Appetite For Dwarf Whales

Megalodon, the largest shark to have ever terrorized our planet’s oceans, may have gone extinct owing to its limited dietary preference for dwarf …

Las Vegas Is Now Powered Entirely by Renewable Energy

Las Vegas is now the largest city in the country to run entirely on renewable energy.<p>Just last week, Las Vegas announced it has reached its goal of powering the city entirely with renewable energy, meeting a goal the city has been working toward for nearly a decade. The goal was reached with the …

Renewable Energy

Humans Just Killed Off These 12 Animals, And You Didn't Even Notice

Over the past decade, we've wiped out mammals, birds, amphibians and more. And it's all to our own detriment.<p>For thousands of years, the Bramble Cay melomys, a small, mouse-like rodent, eked out a living on a tiny coral island in Australia’s Great Barrier Reef. It was the reef’s only endemic mammal …

Extinction

The Best Indoor Plants to Clear the Air, Literally

Plants bring a new dimension of liveliness into the home, varying in their beauty, adding much-needed color, and interplaying beautifully with the …

California governor: 'If Trump turns off the satellites, California will launch its own damn satellite'

Brown was speaking at the 2016 meeting of the American Geophysical Union, a prominent body of scientists who study Earth and space.<p>In November, a top adviser to President-elect Donald Trump suggested the incoming administration would eliminate NASA's earth-science programs.<p>That would mean failing …