You can see this dog’s third eyelid in the corner of its eye.
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It’s a question of evolution and adaptation.
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The meaning of nature has shifted since the word was first used in the 15th century. But is changing the dictionary definition a good idea?
The Cambrian explosion, about 530 million years ago, was when most of the major groups of animals first appear in the fossil record.
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We may have become the most complex living creature in part by accident and replication of error.
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Some footprints last thousands or even millions of years, preserved in sand that turned to rock.
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Humans must kill animals in many cases, but they can still modify their behaviours to improve the welfare of animals while they are alive.
Yantian Port, Shenzhen City, China.
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Four graphs that show us how humanity’s impact on the planet is growing.
Pigeons are a key source of food for the peregrine falcon.
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Lockdown wasn’t good news for London’s peregrine falcons.
Bird boxes and insect homes built into wall design.
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Our lives are intertwined with animals, insects and birds – we should consider them more when we design our cities.
Your brain can imagine things that haven’t happened or that don’t even exist.
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By learning what parts of the brain are crucial for imagination to work, neuroscientists can look back over hundreds of millions of years of evolution to figure out when it first emerged.
Svante Pääbo has won the Nobel prize in physiology or medicine for 2022.
EPA-EFE/HANNIBAL HANSCHKE
The Nobel Prize in physiology or medicine for 2022 has been awarded to Svante Pääbo, whose discoveries have been pivotal to the way we understand our evolutionary history.
There are concerns about how safe rainwater is to drink.
Rainwater may be contaminated with chemicals and scientists are still uncertain about their effects.
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Children are taught to value the lives of other species less, according to a new study.
Most college students believe there’s a mental health crisis on campuses throughout the nation.
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Several scholars weigh in with tips on how to support college students’ emotional well-being during the pandemic.
Dawid A. Iurino for THOR
A new study finds more than one early human species lived on the landscape in Northern Tanzania 3.66 million years ago. But there are reasons to be cautious about the findings.
Three upright walkers, including Lucy (center) and two specimens of Australopithecus sediba , a human ancestor from South Africa dating back nearly 2 million years.
Image compiled by Peter Schmid and courtesy of Lee R. Berger/Wikimedia Commons
Walking has taken a very long time to develop, with evidence of bipedalism among early humans in Africa roughly 4.4 million years ago.
In this time of crisis, we must remember that we need others in our lives because social connection is fundamental.
Pixaday
It is important to remember in this time of crisis that the need for social connection is vital.
This skull, found in France, was among the first fossils to be recognized as belonging to our own species.
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Our biggest evolutionary advantages are an ability to walk on two legs and our big brains.
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If all of humanity was wiped out tomorrow, it’s estimated that the natural world would take at least five million years to recover from the damage humans have done to the world.
You don’t actually need language to think.
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Language can express some of the results of our thinking, but it’s not the thinking itself.
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Cats and humans have different ways of communicating and sometimes that can lead to problems.