Environment

The glass frog's translucent stomach skin offers a window into its internal organs. New research finds this odd seeming trait may help the frogs evade predators.

Scientists Discover the Reason Behind the Glass Frog's Translucent Skin

Glass-like skin helps break up the frog's outline and matches the frog's brightness to its leafy perch, making it harder for predators to spot

Evidence suggests “[t]he piles outside the walls weren’t material that’s been dumped to get rid of it,” says archaeologist Allison Emmerson. “They’re outside the walls being collected and sorted to be resold inside the walls.”

Analysis of Pompeii's Garbage Suggests the Ancient Romans Recycled, Too

The city's residents sorted waste materials for reuse in future projects, according to new research

Delicate blossoms might get knocked down, but they get up again.

How Flowers Marvelously Evolved Resilience

Blossoms contort and twist back into optimal pollination position after getting bumped and battered

According to NASA: "The latest false-color view of total ozone over the Arctic pole. The purple and blue colors are where there is the least ozone, and the yellows and reds are where there is more ozone."

Why This Rare, Huge Ozone Hole Over the Arctic Is Puzzling Scientists

The new wound further diminishes Earth’s protective shield against damaging solar radiation

Archival image, July 9, 1973: (Original caption) A woman seems hesitant about buying fish at a shop in Tokyo recently (June 25) after the Japanese Health and Welfare Ministry's June 24th warning that no one should eat more than 567 grams (about one pound four ounces) of fish a week to avoid the possibility of dangerous mercury poisoning.

A Dead Cat's Brain Revives Discussion of 1960s Mercury Poisoning Disaster in Japan

The exact molecule behind the Minamata mercury disaster, caused by a chemical plant’s wastewater, remains a point of disagreement

The homemade flag carried by Lanphier High School students during their march to the Illinois State Capitol on the first Earth Day.

This Homemade Flag From the '70s Signals the Beginning of the Environmental Movement

The green-and-white banner from an Illinois high school recalls the first Earth Day 50 years ago

When Michigan Students Put the Car on Trial

In a famous 1970 teach-in demonstration, prosecutors hammered away at the nation’s most powerful defendant

Frea is a year-old, zero-waste vegan restaurant in Berlin.

The Rise of 'Zero-Waste' Restaurants

A new breed of food establishment is attempting to do away with food waste entirely

So-called 'watermelon snow' sounds better than it looks and tastes; do not eat pink snow.

This 'Blood-Red' Snow Is Taking Over Parts of Antarctica

After a month of record-breaking temperatures, a kind of snow algae that turns ruby-hued in warm temperatures thrives

Asiatic cheetahs—like this one photographed in Iran—haven't had a stable population in India in decades. Now, the government has clearance to introduce African cheetahs into several wildlife ranges in the Indian subcontinent.

After Decades-Long Battle, Cheetahs Can Be Reintroduced in India

Officials will now move forward with an experimental—and controversial—plan

A researcher holds a platypus for a Melbourne Water study conducted in 2017.

Australia's Droughts and Fires Present New Dangers to the Platypus

Threats to the semi-aquatic, egg-laying mammals demand action, experts say

A Jamaican fruit bat (Artibeus jamaicensis), one of the species that contributed to the guano researchers used to study the climates of the past.

Ancient Bat Guano Reveals Thousands of Years of Human Impact on the Environment

Like sediment cores, ice samples and tree rings, bat excrement can be used to study the climate of the past

Photosynthetic bacteria in the concrete make it bright green until it dries and turns brown.

Scientists Design Bacteria-Based Living Concrete

Its designers hope that it could help with construction in deserts or even on Mars

A "living machine" containing frog stem cells in a new configuration designed by a computer algorithm. Parts shown in green are made up of frog skin cells, while parts in red are frog heart cells.

Scientists Assemble Frog Stem Cells Into First 'Living Machines'

The so-called 'xenobots' could replace traditional metal or plastic robots without polluting the planet, but they raise ethical questions

(Clockwise from left) Michela Puddu, Elias Sime, Richard Yim and Miranda Wang

Eight Innovators to Watch in 2020

From plastic recycling pioneers to landmine foes, these dreamers have big plans for the coming year

Minoan single-use cup alongside a paper cup from Air India

For Easy Clean-Up After Parties, Minoans Used Disposable Cups

A 3,500-year-old single-use vessel is part of a new display at the British Museum that explores our long-standing relationship with trash

Dead mussels along the Clinch River.

Scientists Don't Know Why Freshwater Mussels Are Dying Across North America

Mussel species are dying en mass in rivers across the Pacific Northwest, Midwest and South—likely from unidentified pathogens

Ecologists fear that repaving the highway known as BR-319 will open new sections of the Amazon to catastrophic deforestation.

Is the Amazon on a Road to Ruin?

Brazil’s plan to develop a lonesome track in the heart of the rainforest poses a threat the whole world may someday have to overcome

An image from Birds of America by John James Audubon depicting the Great Auk.

Humans May Be Solely to Blame for the Great Auk’s Extinction

A new study suggests that the flightless birds were not declining due to environmental changes when humans began to hunt them in large numbers

Yellowstone Bison Engineer an Endless Spring to Suit Their Grazing Needs

The cycle of grazing and fertilizing prolongs spring-like vegetation in grasslands and makes green-up more intense in following years

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