Risqué photo sparks unusual discussion of squirrel anatomy loading...
Risqué photo sparks unusual discussion of squirrel anatomy
Some things you have to see to believe—like this odd squirrel that’s taken Twitter by storm in Japan.
Microplastics found in 90 percent of table salt loading...
Microplastics found in 90 percent of table salt
A new study looked at sea, rock, and lake salt sold around the world. Here’s what you need to know.
How eyes make sense of the world loading...
How eyes make sense of the world
Human eyes can’t decipher individual pixels from far away—this video shows why.
Not just nuts: The surprising stuff animals hoard for winter loading...
Not just nuts: The surprising stuff animals hoard for winter
Animals have surprising ways of storing food, including becoming living kegs.
Early mammals hid from dinosaurs in the dark, changing their DNA forever loading...
Early mammals hid from dinosaurs in the dark, changing their DNA forever
By studying the DNA of a blind cave fish, scientists think they can better understand ancient mammals.
Sloths Act Like Birds and Reptiles in This Bizarre Way loading...
Sloths Act Like Birds and Reptiles in This Bizarre Way
Sloths seem to have evolved an approach to energy unlike the rest of their family tree, shutting themselves down at temperature extremes.
Rare Tree Kangaroo Reappears After Vanishing for 90 Years loading...
Rare Tree Kangaroo Reappears After Vanishing for 90 Years
Once thought to be extinct, the Wondiwoi tree kangaroo has just been photographed in a remote New Guinea mountain range
After Decades of War, This Jungle Is Now Open for Exploration loading...
After Decades of War, This Jungle Is Now Open for Exploration
Scientists found rare, and likely new, species while guided through remote Colombia by ex-FARC rebels.
About the Show

For many living creatures, including humans, eyes are an integral survival tool. Learn how eyes have also inspired incredible emerging technology.

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