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Cetaceans Keep an Eye Open
In cetaceans—unlike in other mammals—breathing is a voluntary action that involves returning regularly to the surface. Sperm whales take naps in vertical position, and when dolphins sleep, half of...
Studying Elephants’ Sleep Patterns to Understand our Own?
A recent study reveals that these large mammals, known for their legendary memory, only have short phases of sleep. This surprising discovery could give rise to new strategies for combating insomnia.
Lifting the Veil on Dreams
However mysterious and uncontrollable, dreaming is a brain activity like any other, and one that researchers can look into. Interview with neurologist and sleep specialist Isabelle Arnulf.
Why Do we Sleep?
Sleep is a loss of time and—at least for wild animals—increases the risk of being attacked and eaten. So why has evolution perpetuated this function? According to the biologist Paul-Antoine Libourel...
How Many Sexes Are There?
The Legacy of World War I
The Machine that Selected the Citizens of Athens
“Energy sobriety is not just a matter for individuals”
“Humans caused the overpopulation of wild boars”
Determining the role of climate change in extreme weather events