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Pre-embryos made in lab could spur research, ethics debates

WASHINGTON (AP) — For the first time, scientists have used human cells to make structures that mimic the earliest stages of development, which they say will pave the way for more research without runn...

As endangered birds lose their songs, they can't find mates

WASHINGTON (AP) — Male songbirds usually learn their tunes from adult mentors. But when aspiring crooners lack proper role models, they hit all the wrong notes — and have less success attracting mates...

Will the coronavirus ever go away?

WASHINGTON (AP) — Will the coronavirus ever go away? No one knows for sure. Scientists think the virus that causes COVID-19 may be with us for decades or longer, but that doesn’t mea...

Ancient shell horn can still play a tune after 18,000 years

WASHINGTON (AP) — A large conch shell overlooked in a museum for decades is now thought to be the oldest known seashell instrument — and it still works, producing a deep, plaintive bleat, like a fogho...

Under the sea, humans have changed ocean sounds

WASHINGTON (AP) — Not only are humans changing the surface and temperature of the planet, but also its sounds – and those shifts are detectable even in the open ocean, according to research published ...

Empty seas: Oceanic shark populations dropped 71% since 1970

WASHINGTON (AP) — When marine biologist Stuart Sandin talks about sharks, it sounds like he’s describing Jedis of the ocean. “They are terrific predators, fast swimmers and they have amazing senses — ...

Identical twins aren't perfect clones, research shows

WASHINGTON (AP) — If you’re an identical twin who’s always resisted being called a clone of your sibling, scientists say you have a point. Identical twins are not exactly genetically...

Vast wildfires in Siberia linked to warming Arctic

WASHINGTON (AP) — This year's vast wildfires in far northeastern Russia were linked to broader changes in a warming Arctic, according to a report Tuesday by the National Oceanic and Atmospheric Admini...

Avoiding cheetah hangouts helps ranchers protect calves

WASHINGTON (AP) — On the dusty savannahs of Namibia, one of the last strongholds of cheetah populations on earth, conflicts between cattle ranchers and big cats threaten the survival of the embattled ...

Wolves preying on beavers in Minnesota reshape wetlands

WASHINGTON (AP) — One spring afternoon in 2015, biologist Thomas Gable followed signals from a gray wolf’s GPS tracking collar to a small stream in Minnesota’s Voyageurs National Park. There he found ...

Female banded mongooses lead battle for chance to find mates

WASHINGTON (AP) — When families of banded mongooses prepare to fight, they form battle lines. Each clan of about 20 animals stands nose to nose, their ears flattened back, as they s...

A crowded mountain can make silverback gorillas more violent

WASHINGTON (AP) — Gorillas are highly sociable animals – up to a point. A crowded mountain can make silverbacks more violent, scientists say. Mountain gorillas spend most of their ti...

Black scientists highlight racism in the lab and the field

WASHINGTON (AP) — University of Washington ecologist Christopher Schell is studying how coronavirus shutdowns have affected wildlife in Seattle and other cities. But when planning fieldwork, he also t...

Loners no more: Male elephants stick together, study finds

WASHINGTON (AP) — A line of elephants trundles across a dusty landscape in northern Botswana, ears flapping and trunks occasionally brushing the ground. As they pass a motion-activated camera hidden i...

Ecuadorian hummingbirds chirp ultrasonic songs of seduction

WASHINGTON (AP) — Perched on a flowering shrub on a windy Andean mountainside, the tiny Ecuadorian Hillstar hummingbird chirps songs of seduction that only another bird of its kind can hear. ...