Everything our bodies do— whether physical or mental— uses energy. Studies have found that many individuals seem to have a daily threshold for making decisions, and an extended period of decision-making can lead to cognitive exhaustion....

Mister Brown teaches Squeaks all about engineering to help him solve a problem he is having!



K-2 Next Generation Science

Standards

Science and En
gineering Practices:
Asking Questions and Defining...

What if your job didn't control your life? Brazilian CEO Ricardo Semler practices a radical form of corporate democracy, rethinking everything from board meetings to how workers report their vacation days (they don't have to). It's a...

Going to school in a refugee camp can be complicated: students encounter crowded classrooms, rigid curricula and limited access to teachers. Joel Baraka, who grew up in the Kyangwali refugee camp in Uganda, is determined to change that...

Yvonne Aki-Sawyerr, mayor of Freetown, Sierra Leone, is on a mission to plant a million trees over the next two years, increasing vegetation in her city by fifty percent while shoring up eroding riverbanks and increasing biodiversity....

Why do we sleep at night instead of during the day? In this episode of SciShow Hank talks about circadian rhythms, how they work, and how they regulate different processes in our bodies.

During the hot summer months, watching an outdoor sports match or concert can be tantamount to baking uncomfortably in the sun -- but it doesn't have to be. At the TEDxSummit in Doha, physicist Wolfgang Kessling reveals sustainable...

Have you ever wondered why your shadow is longer sometimes and shorter others? It turns out it all has to do with that marvelous big ball of light in the sky; The Sun! This first series is based on 5th grade science. We're super excited...

Night owls and early birds are like the yin and yang of the sleep world. Night owls, or "night hawks" as they're sometimes called, tend to be more creative and have better reaction times at night, but they might struggle with that early...

Are Morning Workouts Better?

Howcast - Learn eight boating safety tips in this Howcast boating video with expert Toby Stull.

Howcast - Learn how to tell military time in this US army basic training video from Howcast with Sergeant Michael Volkin.

Howcast - Learn how to say "Good afternoon" in Japanese in this Howcast video with expert Kanasato.

Howcast - Learn what makes green tea a superfood from nutrition coach Lisa Neilsen in this Howcast video.

Howcast - Learn eight tips about the best muscle-building lunches from DreamBodies' Tony DiCostanzo in this Howcast bodybuilding diet video.

Howcast - When in Rome... live la dolce vita with these insider tips.

Howcast - Steal an afternoon to enjoy nature's glorious autumn party and in just a few hours you'll fall in love with the season all over again.

Howcast - Learn how to say "good afternoon" in Italian with this Howcast video.

Donald Sutherland’s top five movie performancesMixed

Pupil outcome: I can sequence things that happen in a school day in order of time. Key learning points: - To sequence events is to put them in the order that they happen. - We start with the event that happened first.

Pupil outcome: I can sequence everyday events in chronological order. Key learning points: - We can use ordering words like 'first', 'next', 'then' and 'after' to sequence events.

Model Sums can be tricky. Give your kids a headstart with our comprehensive collection of videos!

Discover 20 commonly used English phrasal verbs particularly useful for students and teachers.

The Tri-State tornado of 1925 is believed to be the single longest-lasting and longest track tornado, producing the largest loss of life in the United States. It is also one of the fastest-moving tornadoes recorded. With more than 2,000...