We can learn a lot from dinosaur fossils, but figuring how they behaved is a real challenge.

Paul Andersen shows you how we can use a spreadsheet to model population changes. He begins with a brief discussion of populations and life cycles. He then shows you how you can model a single generation using a spreadsheet.

Check out the fascinating ways orchids trick insects into pollinating, using sexual deception, pheromones and mimicking the shapes of other plants. -- Nearly 28,000 species of orchid grow all around the world, bearing every...

TED Fellow Zahra Al-Mahdi was raised by screens -- "storytelling machines" like TV and the internet that shaped her sense of self and reality. Now a multimedia artist and filmmaker, she challenges common historical narratives and...

People ask Google everything under the sun. One of the most commonly searched questions in the world is “What Is Love?”

Hello and welcome to SciShow Talk Show where we talk to interesting people about interesting things! This week we discuss why we know why we don't know how bicycles stay up with Minute Physics host Henry Reich. Special guest Jessi...

You probably have a vague idea of what sperm does, but not all sperm are created equal, and some have even developed unique adaptations to get where they're going.

Biology and technology grew closer together when scientists manufactured neurons that acted like those in a brain! And birds evolved to protect themselves in two ways: fight and flight.

Some lucky animals are naturally endowed with bioluminescence, or the ability to create light. The firefly, the anglerfish, and a few more surprising creatures use this ability in many ways, including survival, hunting, and mating....

It's spring where Jessi and Squeaks lives, and that means the air is filled with the sounds of birds singing! But have you ever wondered why birds sing and who they're signing to?

You’re having a dream, and for some reason that giant rabbit that’s about to eat you starts to sing like a bird. You wake up to find that birds are singing outside your window! Check out this SciShow Quick Question to find out why those...

Male birds have the largest genital diversity of any class of animals because their sex chromosomes make it easy to pass male-helping mutations down the...

When it comes to sex things can be complicated, but for the three species we are looking at today, sex is really hard.

Each day, the animal kingdom produces roughly enough poop to match the volume of water pouring over Victoria Falls. So why isn't the planet covered in the stuff? You can thank the humble dung beetle for eating up the excess. Eleanor...

Organisms of all shapes and sizes synchronize their behaviors using biological clocks. Some keep pace with the daily rising and setting sun using circadian rhythms. Others use annual cycles or the changing seasons as their cue. But many...

New ReviewThis fascinating, colorful program uses common examples in nature to illustrate the process of competition. Whether it be plants in forests, fish on a coral reef, or birds in a meadow, living things compete for needed resources. Special...

Howcast - Check out this Portal 2 walkthrough and beat Chapter 4 - Part 1: Room 18/22 with this online demo.

Howcast - Check out part 5 of this F.E.A.R. 3 walkthrough and beat "Interval 05 - Tower" with this online demo.

Howcast - Check out this playthrough for the action RPG "Dead Island" and beat "Life in the Bag" with this online demo.

Howcast - Learn how to achieve checkmate in four moves from Chess NYC in this Howcast video.

Howcast - Snoring, cover stealing, and icy feet can end the honeymoon. Find out how you and your mate can be better bed buddies.

Howcast -A great way to personalize your ceremony is to pen your own vows. These tips will make it easy.

Howcast -Learn what your natal chart says about your love life from famed astrologer Jenny Lynch in this Howcast video.

Howcast -Learn how to say "I'm a stereotypical Aussie" in Australian slang with this Howcast video.