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Biochemistry Aug 1, 2024

A nose for earthy notes: Human odorant receptor for geosmin identified for the first time

Geosmin is a volatile compound of microbial origin with a distinct "earthy" to "musty" odor that can affect the quality of water and food. It is responsible for the typical odor that occurs when rain falls on dry soil. This ...

Environment Jul 11, 2024

In the heart of Mauritania's desert, a green oasis cultivates equality

For the residents of Maaden, a green oasis nestled in the depths of the vast Mauritanian desert, communal living, spirituality and sustainable agriculture are the keys to a harmonious existence.

Ecology Jul 5, 2024

Desert-loving fungi and lichens pose deadly threat to 5,000-year-old rock art

The Negev desert of southern Israel is renowned for its unique rock art. Since at least the third millennium BCE, the hunters, shepherds, and merchants who roamed the Negev have left thousands of carvings (petroglyphs) on ...

Archaeology Jun 5, 2024

New study documents the world's largest prehistoric rock art in South America

We weren't the first to lay eyes on the engraving since it was carved into the hillside any number of centuries or millennia ago, not by a long shot. The Venezuelan archaeologist José Maria Cruxent even recorded it in his ...

Evolution May 31, 2024

Novel technique uncovers clues to disappearance of North America's large mammals 50,000 years ago

50,000 years ago, North America was ruled by megafauna. Lumbering mammoths roamed the tundra, while forests were home to towering mastodons, fierce saber-toothed tigers and enormous wolves. Bison and extraordinarily tall ...

Plants & Animals May 29, 2024

Fatal attraction: When endangered species try to mate with domestic relatives, both wildlife and people lose

Sticks and stones aren't enough to thwart biological attraction, but sometimes those are the only tools available to pastoralists trying to prevent wildlife from eloping with their livestock.

Agriculture May 29, 2024

Bird flu detected in alpacas in US for the first time

Cases of bird flu have been detected in alpacas at a US farm, authorities said Tuesday, as the disease spreads widely among dairy cattle and has infected two humans.

Space Exploration May 27, 2024

Saudi fund launches new group to boost space industry

Saudi Arabia's Public Investment Fund (PIF)on Monday launched the Neo Space Group to work on the kingdom's nascent satellite and space industry, its first investment in the sector.

Environment May 21, 2024

Demise of rangelands 'severely underestimated': Report

From camel drivers in the Sahara to nomads on the Mongolian steppe, traditional herders the world over rely on earth's wildest open spaces to support an ancient way of life.

Plants & Animals May 18, 2024

Why so many animals, including our pets, have a third eyelid—yet humans don't

Our family dog used to have a rather noticeable extra eyelid that became especially apparent when he dozed off, usually upturned on the rug. This is the fleshy curtain seen at the corner of each eye, closest to the nose. ...

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