In the uS, most kids have a very long summer break, during which they forget an awful lot of what they learned during the school year. This "summer slump" affects kids from low-income neighborhoods most, setting them back almost three...

Did you know the rights to "Happy Birthday" are still privately held today? Copyright was originally created for two reasons: to protect the original creators so they could benefit from their work AND have creative works enter the Public...

SciShow explores a place that's as beautiful as it is dangerous: Mexico's Giant Crystal Cave, where chemistry has created the world's largest crystals -- but in an environment so hostile that you'd only survive a few minutes if you saw...

You may have to open your mouth pretty wide to take a bite of a burger, but a Hydra can tear open its mouth to devour food larger than itself.

A new crew is headed to the ISS, and Pluto seems to have methane snow.

Jessi and Squeaks found a branch growing what looked like white hair! So they brought the branch back to the Fort to run some tests and found out that it isn't hair at all... it's ice!



Second Grade Next...

Fossil fuels are made from the remains of extinct organisms that have been exposed to millions of years of heat and pressure. But in the case of coal, these organisms consisted largely of some downright bizarre plants that once covered...

Roasting marshmallows over a fire is a lot of fun, but did you know that, in nature, fire keeps our forests clean and healthy and even helps some plants grow?

Do your nose and ears keep growing as you age? #shorts #science

Jane Poynter tells her story of living two years and 20 minutes in Biosphere 2 -- an experience that provoked her to explore how we might sustain life in the harshest of environments.

Black Holes are known for consuming everything that falls into them, but is there a point where these galactic devourers can't stomach anymore?

Because of the chaotic way fingerprints develop and the multiplying effect of compound probability, it's basically impossible for any two fingers to have matching...

There’s one kind of tumor that’s basically straight out of a horror movie...

Jessi helps Squeaks learn about why foods can be so many tasty-looking colors!

Explore the cell cycle with the Amoeba Sisters and an important example of when it is not controlled: cancer. Table of Contents: 00:00 Intro 1:00 Cell Growth and Cell Reproduction 1:42 Cancer (explaining uncontrolled cell growth) 3:27...

Our early ancestors relied on lightning to cause forest fires, from which they could collect coals and burning sticks to help them cook food and clear land. Yet, it wasn't just humans who benefited from these natural phenomena. Even as...

Your closet is likely full of all kinds of materials -- leather, cotton, nylon and polyester, to name a few -- that contribute to fashion's sustainability crisis. Biomaterials investigator Dan Widmaier explains how we could look to...

Hank talks about the issues of rising global population.

Bullying is a serious problem that can affect children’s mental health. But with these psychology strategies, teachers and parents might be able to prevent bullying at school.

Jessi and Squeaks are busy working in their garden, and they'd like to share one trick that keeps their plants happy!

Human bodies aren't built for extreme aging: our capacity is set at about 90 years. But what does aging really mean, and how does it counteract the body's efforts to stay alive? Monica Menesini details the nine physiological traits that...

Standing up to discrimination and hate should be everyone's business, says community activist Wale Elegbede. In this vital talk, he shares how his community in La Crosse, Wisconsin came together to form an interfaith group in response to...

Potatoes are amazing! You can make them into french fries, baked potatoes, hash browns, potato chips, and tons of other tasty foods! And best of all, they're super easy to grow! Join Jessi and Squeaks to learn how!

Conservationist and TED Fellow Moreangels Mbizah studied the famous Cecil the lion until he was shot by a trophy hunter in 2015. She wonders how things could've gone differently, asking: "What if the community that lived next to Cecil...