Honeybees have thrived for 50 million years, each colony 40 to 50,000 individuals coordinated in amazing harmony. So why, seven years ago, did colonies start dying en masse? Marla Spivak reveals four reasons which are interacting with...

Why do scientists try to learn about /people/ by studying creatures that none of us could ever be mistaken for? Learn about model organisms, and why they're so helpful for us.

What if robots could build and optimize themselves -- with little to no help from humans? Computer scientist Emma Hart is working on a new technology that could make "artificial evolution" possible. She explains how the three ingredients...

Documentary photographer Olivia Arthur has been exploring a new frontier: the evolution of the blurring line between humanity and technology. In this meditative talk, she shows her work documenting the remarkable ways humans have merged...

The little fish Danio rerio holds secrets to understanding how vertebrates develop, how diseases like cancer work, and how we might one day learn how to regenerate human heart tissue.

Taking cues from soft robotics and the natural world, conceptual artist Anicka Yi builds lighter-than-air machines that roam and react like autonomous life forms. Her floating "aerobes" inspire us to think about new ways of living with...

SciShow News shares two amazing things from the deep past that have been discovered: a new ancient human relative, and a 30,000-year-old giant virus.

Why are some athletes able to crush world records when other records remain unbroken for years? The answer has to do with the kind of materials used in the competition and the type of athletic event one is competing in. Hank Green...

With so many claims about the moon’s influence over everything from menstrual cycles to rainfall, SciShow is here to set the record straight with these 8 truths and myths about our moon. CHAPTERS View all HUMANS GET LESS SLEEP 1:27...

We humans might think that flowers are pretty good gifts for a first date, but many insects have their own nuptial gifts, and well, flowers they ain't. Chapters SIX SPOT BURNET MOTHS 0:52 RED VELVET MITE 2:21 GROUND CRICKET 3:45 SCORPION...

Quick Questions dispels the myth that dogs can only see in black and white.

A lot of our videos include the disclaimer "Mice aren't people." But why do we keep saying this, and if rodent studies aren't effective, why do we keep using them?

Short-sightedness may be the greatest threat to humanity, says conceptual artist Katie Paterson, whose work engages with deep time -- an idea that describes the history of the Earth over a time span of millions of years. In this lively...

If you’re on the “paleo diet,” you’ve probably been avoiding wheat and potatoes, but a new study published last week indicates that humans have been eating starches for more than 100,000 years! Chapters View all Paleo diet 0:17 electron...

Humans are known to carry a tune, but we're hardly the only animals that sing. In fact we've got five of nature's finest singers, and what makes them so unique. Chapters View all BIRDS 1:17 BATS 3:26 FRUIT FLIES 5:18 MICE AND RATS 7:09...

It's been a long road to the discovery that Earth is not the center of the Solar System, the Milky Way, or the universe; great thinkers from Aristotle to Bruno have grappled with it for millennia. But if we aren't at the center of the...

Unlike lots of other animals, there’s no such thing as the “mating season” for humans, and it might have to do with how we raise our kids.

Frogs (and amphibians in general) are in danger -- worldwide, nearly one-third of the world's amphibian species are on the verge of extinction. And yet, frogs contribute to our well-being in many important ways. Kerry M. Kriger describes...

For four billion years, what lived and died on earth depended on two principles: natural selection and random mutation. Then humans came along and changed everything - hybridizing plants, breeding animals, altering the environment and...

In this episode, Michael Aranda will help you empathize with your cat as we explore what happens when you swallow hair.

Whether in a good way or a bad way, Twitter bots use psychology to trick you.

In which Stan Muller subs for John Green and teaches you about energy and humanity. Today we discuss the ideas put forth by Alfred Crosby in his book, Children of the Sun. Historically, almost all of the energy that humans use has been...

Chimpanzees and bonobos may be very close to us humans on the tree of life, but one of our differences is the way we store fat. That difference comes down to types of fat cells and our DNA.

Remember that episode we did on Australia’s Pink Lake? Well, we have a follow-up! Hank explains in this episode of SciShow News.