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human evolution

Bottlenose dolphins swim off the coast of South Carolina

Life

What dolphins reveal about the evolution of the clitoris

Patricia Brennan's latest research suggests that bottlenose dolphins have clitorises that evolved for pleasure. She tells 51¶¯Âþ why it's important to study animal genitalia

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Covid-19 news archive: November to December 2021

Health

Covid-19 news archive: November to December 2021

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Salmon fish farm in fjord. Norway, Bergen.; Shutterstock ID 1091461793; purchase_order: -; job: -; client: -; other: -

Life

Breeding with farmed fish is changing the life cycle of wild salmon

51¶¯Âþ

Did monkeys really sail the oceans on floating rafts of vegetation?

Life

Did monkeys really sail the oceans on floating rafts of vegetation?

Features

Steven Pinker interview: Why humans aren't as irrational as they seem

Humans

Steven Pinker interview: Why humans aren't as irrational as they seem

Features

Thousands of migrating Snow Geese ( Chen caerulescens ) fly from a misty lake at sunrise in Lancaster County, Pennsylvania, USA.; Shutterstock ID 546140620; purchase_order: -; job: -; client: -; other: -

Life

Migrating birds may be paler colours to help them keep cool

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ANKARA, TURKEY - MARCH 31 : A worker uses a metal cutter on a rail on Ankaray subway line during night shift in Ankara, Turkey on March 31, 2018. Long rapid transit line of the Ankara Metro system has been operating for 23 years. Ankaray operates approximately 180 runs on daily basis, with 11 cars. Length of the transit line reaches about 9 kilometers. Night shift workers compete against time while cutting old rails and replacing them with the new ones until the first run in the morning. (Photo by Mustafa Kamaci/Anadolu Agency/Getty Images)

Health

Night-shift workers who eat only in the day may cut diabetes risk

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A man measures a woman's height

Humans

Humans have been relatively short for thousands of years

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An Ardipethecus ramidus skull found in Awash, Ethiopia

Humans

Canine teeth shrank in human ancestors at least 4.5 million years ago

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compassion; assistance; Shutterstock ID 366078215; purchase_order: -; job: -; client: -; other: -

Humans

What can we can learn from being the last type of human left standing?

Compassion and sociability helped Homo sapiens survive climatic changes that wiped out other types of humans. Will those skills be enough to survive another bout of climate change?

Leader

Humans

Survival of the friendliest? Why Homo sapiens outlived other humans

Features

Life

Neanderthals may have grown their baby teeth faster than we do

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Life

New Australopithecus sediba bones suggest extinct hominin was bipedal

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Health

Covid-19 news archive: September to October 2021

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