Hank hits you with a ton of news this time - Amazon CEO Jeff Bezos has plans to retrieve Saturn V rocket engines from the bottom of the Atlantic; new research on the impacts from the Deep Water Horizon oil spill to life in the Gulf of...

Humans have relied on fertilizers to grow their plants for thousands of years. But the production of synthetic fertilizers also requires an immense amount of energy that comes primarily from fossil fuels and therefore contributes to...

Researchers have published a new method of guiding lightning strikes using a laser. And another team of researchers developed a new test that uses DNA as bait for respiratory viruses like COVID-19.

SciShow takes you inside a limnic eruption, a natural disaster that’s as deadly as it is rare.

Hank shares the latest developments in science, this week demystifying three freaky things in nature: the polar vortex, why some bugs are infertile, and how a chain can appear to defy gravity. You're welcome!

You Can "Catch" Alzheimer's Disease

Every year the moon’s orbit gets a little bigger and it moves just a little farther away. Should we worry about the Moon breaking free?

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.

Everyone loves bananas. But because banana trees die and grow back every year, researchers want to find ways to recycle all that biomass -- from bioplastic, to solar panels, to skateboards.

What's the deal with that sharp pain in your side when you're trying to win that marathon? SciShow has the answers! Hosted by: Hank Green

Why is good news so rare? In a special broadcast from the TED stage, journalist Angus Hervey sheds light on some of the incredible progress humanity has made across environmental protection, public health and more in the last year,...

Nearly half of all pregnancies in the United States are unplanned, the result of millions of people being unable to get the birth control method that works best for them. Reproductive health advocate and 2023 Audacious Project grantee...

It's time for the Myth Olympics: the eternal arena in which creatures and deities compete for glory. Almost every mythical tradition claims one creature as the fastest— from goddesses who run like the wind to creatures who outstrip every...

Countries around the world waste huge amounts of food every year: roughly a fifth of food items in the US are tossed because consumers aren't sure how to interpret expiration labels. But most groceries are still perfectly safe to eat...

In 2013, an Ebola outbreak began in Guinea. The country had no formal response system and the outbreak became the largest Ebola epidemic in recorded history. Guinea then completely overhauled their response system, and were able to...

In 1815, Mount Tambora erupted and its emissions spread across the globe, blotting out the sun for almost an entire year. This wreaked havoc on agriculture, leading to famines all across the Northern hemisphere. It was the year without...

In all the conversations about improving education for children, the voices of students, teachers and community members are often left out. Educational designer Punya Mishra offers a method to shift that paradigm, taking us through new...

Every plant has different needs! So Mister Brown and Squeaks have asked their friend Juniper the Earthworm to teach them more about the things they want to grow in their garden and help them make a seed calendar so they know when to...

Today, Jessi and Sam the Bat take a look at constellations. Humans have been looking up at the sky for a long time and seeing all kinds of pictures hidden in the stars!

This week, Mister Brown joins Squeaks to answer a bunch more of your questions about the Earth and about our bodies!

This is it! We're going out with a singing, dancing look at the Broadway Book Musical. Oklahoma! On the Town! Annie Get Your Gun! Also, just Annie! Today you'll learn about the development of the Broadway Book Musical in the late 19th...

Why aren't more people investing in Africa's green energy? Environmental researcher Rebekah Shirley outlines the continent's immense potential for renewable power and calls for collaborative international investment -- and partnership --...

At the end of the Civil War, though slavery was technically illegal in all states, it still persisted in the last bastions of the Confederacy. This was the case when Union General Gordon Granger marched his troops into Galveston, Texas...

When human rights advocate Manu Peni returned to Papua New Guinea from abroad, he built a home for himself using modern techniques -- and promptly learned a harsh lesson on how the newest ideas aren't always the best ideas. Peni calls...