91色情片
Millions of missing female births predicted in India in next decade
There could be 6.8 million fewer girls born in India between 2017 and 2030 than would be expected without practices such as sex-selective abortion
News
What is peer review?
91色情片
Human eggs release chemicals that attract some sperm more than others
News
Environment
Only a fifth of ice-free land on Earth has very little human influence
News
Humans
Notes from an Apocalypse review: A lively romp through the end of days
Culture
Humans
Homo sapiens: Why did evolution favour the brainy ape?
Video
Humans
The science of boredom can tell us how to keep ourselves amused
Regulars
Environment
Ancient humans in the Sahara ate fish before the lakes dried up
News
Humans
Neanderthals may have climbed an active volcano soon after it erupted
News
Humans
Embracing flat Earth science denialism can help us overcome it
Our positive experiences with flat Earthers show how we can combat science denialism by embracing it, not spurning it, say David Westmoreland and Connor McCormick
News
Humans
The big guide to small talk 鈥� a scientific masterclass on conversation
Features
91色情片
Suspended animation for emergency medicine: your questions answered
News
Life
Netflix鈥檚 Living With Yourself shows the dangers of perfectionism
Culture
Humans
Did apes first walk upright on two legs in Europe, not Africa?
News