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94%VideoOct 2012

19 species of ferns named after Lady Gaga

(1:42) Biologist and Lady Gaga fan is naming a new genus of ferns found in Central and South America, Mexico, Arizona and Texas after the pop superstar.

94%VideoMay 2013

Why do humans engage in so many impractical activities?

(2:13) Evolutionary biologist Richard Dawkins discusses why we do things that have no direct bearing on our ability to survive, such as ballet, poetry or mathematics.


94%AnimationMar 2015

How a bean becomes a fart

(1:03) Have you ever wondered how this happens?

88%VideoMar 2012

Creatures you share your body with

(7:18) Although you may sometimes feel it, you are never alone. Billions of other organisms live on or in you.


88%VideoJan 2013

We were all female, even the most blokish of blokes

(1:50) Basically, we all start female, then half of us tweak some female bits and become male - our clitoris becomes our penis, our labia becomes our scrotum. Which also explains why guys have nipples.

88%VideoJan 2013

How successful are human beings as a species?

(4:40) There are now over seven billion people on Earth. But how does that compare with other species?

88%VideoMay 2015

The fascinating process of human decomposition

(3:40) Visit to the world's biggest body farm, the Forensic Anthropology Center in Texas, where researchers study human decomposition in order to help law enforcement.

88%VideoJan 2016

Eyes have evolved, so what do animals see?

(2:42) Scientists understand how the eye works, but understanding what other animals see is another matter.

87%VideoMay 2012

Human parasites, the good, the bad and the very ugly

(9:05) VlogBrother Hank Green tells us about the little things that live on or within you, all 100 trillion of them.

87%AnimationJan 2014

TED-Ed - How sugar affects the brain

(5:03) Nicole Avena explains why sweets and treats should be enjoyed in moderation.