NASA and university scientists have made the first measurement-based estimate of the amount and composition of tiny airborne particles that arrive in the air over North America each year. With a 3D view of the atmosphere now possible...

Life Skills: self-awareness and empathy

Wow! Bella won the Team Player award for playing fairly in soccer! Now, she gets to choose a very special toy to celebrate. But at the toy store, Bella starts to brag, and Bay starts to cry!...

Conclude our look at iterators, generators and popular functions associated with them with while loops and enumerate and zip functions
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This clip is from the chapter "Python in-depth" of the series "Python 3: Project-based...

The Option Explicit setting at the top of a code module mandates that all variables be declared with a valid data type before being assigned a value. In this lesson, we compare a code sample with and without this setting enabled to see...

In this video, students will learn how to understand and measure angles by looking at the hands of a clock. They will discover that a quarter turn is 90 degrees and three quarter turns are 270 degrees.

Snakes certainly make it look easy when they slither forward, leaving perfect S-curve tracks behind them, but scientists have long been puzzled by the mechanics of their locomotion. Now, after a series of experiments and some computer...

On this episode of Breaking Trail, Coyote discovers some Dung Beetles doing their best to roll a poo ball the size of an orange! Seriously Coyote Pack, we promise this episode doesn’t “sink”…at least not for you!

Taurine Biosynthesis

👉 Learn how to simplify expressions using the power rule of exponents. When several terms of an expression is raised to an exponent outside the parenthesis, the exponent is distributed over the individual terms in the expression and the...

We would quite literally perish without food. It's amazing and can be beautiful on the tongue - but you should be careful about what you put in your mouth. From gross ingredients to some worrying hygiene statistics, here are some facts...

Taking a look at the delay() function, and an approach to investigating code.

Pyrimidine (U & C) Biosynthesis

ALA Synthase

A contemporary dance to Million Reasons, covered by Chelsea Valesquez.

Eric Cornell, NIST Fellow and Nobel Laureate tells the exciting story of how he and colleague Carl Weiman made the first-ever observation of a new state of matter, the Bose-Einstein condensate, in 1995. The breakthrough led to the duo,...

Selenocysteine Biosynthesis

Crown-of-thorns starfish are large, spiny, and eat coral reefs and without enough natural predators to control their population, someone had to create one.

👉 Learn about Descartes' Rule of Signs. Descartes' rule of the sign is used to determine the number of positive and negative real zeros of a polynomial function. Knowing the number of positive and negative real zeros enables also to also...

How do you get to know a free roaming California Mountain lion? Very carefully! Actually, you may never be able to spend time on the trail with a wild cat, but if the cat is wearing the new high tech collar designed by University of...

The P680/P700 Special Pair Chlorophylls

This video provides a step-by-step tutorial on expanding algebraic brackets, starting from single brackets and moving towards double brackets. The video explains the multiplication process involved in expanding the brackets and...

For 30 years he has served in various roles serving public education, including: James (Jim) Forde was born in Yonkers, New York, to Irish immigrant parents, and currently lives and James (Jim) Forde was born in Yonkers, New York,...

The last few months have certainly been unusual, a phase of chaos that no other modern government has had to handle. As such there's been a lot of u-turns and flip-flopping out of Number 10, with government strategy seemingly changing...

This Arduino tutorial was created by Programming Electronics Academy. We are an education company who seek to help people learn about electronics and programming through the ubiquitous Arduino development board.