Spring is almost here, and that means daffodils are blooming around the fort. But how do these flowers survive the long cold winters?



Second Grade Next Generation Science

Standards

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Some fish have superpowers! Zebrafish eyes can boost the color and contrast of what they see and baby whale fish are electric.

Try talking to yourself without opening your mouth, by simply saying words internally. What if you could search the internet like that -- and get an answer back? In the first live public demo of his new technology, TED Fellow Arnav Kapur...

Jessi is getting a haircut later, but what makes it so that your hair doesn't hurt when you go to get it cut?

Ever wonder how that guitarist nailed that solo or how your favorite rapper can roll out so many lyrics while making it look easy? Beside lots of practice, your brain has a few tricks.

That science fiction future where robots can do what people and animals do may be closer than you think. Marc Raibert, founder of Boston Dynamics, is developing advanced robots that can gallop like a cheetah, negotiate 10 inches of snow,...

Everybody loves dinosaurs, and we wouldn't know nearly as much as we do if it weren't for a person named Mary Anning.

Is personalized medicine for individual bodies in our future? Possibly -- with the use of stem cells, undifferentiated cells with the power to become any tissue in our bodies. Craig A. Kohn describes the role of these incredible,...

How Long To Fall Through the Earth?

In this episode of SciShow Kids, Jessi talks about solar eclipses, and in particular, the solar eclipse of 2015! Jessi will show you how eclipses occur and where the best places to view the eclipse are.

From something as familiar as our bodies to things vast as the formation of galaxies, we can observe the process of self-assembly, or when unordered parts come together in an organized structure. Skylar Tibbits explains how we see...

Soybeans have been cultivated in Asia for thousands of years, and have since spread across the globe. Today, soy is in so many foods that most people consume it every day without even knowing it. So, what makes soybeans so versatile? And...

The way your brain reacts to stimuli might tell us more about who you're friends with, and swatting at mosquitoes might one day bring us positive results.

The wheels in your brain are constantly turning, even when you're asleep or not paying attention. In fact, most of your brain's activities are ones you'd never be aware of - unless they suddenly stopped. Nathan S. Jacobs takes us inside...

The world changes. It really does! But sometimes it changes so slowly that we don't notice it. Other times it changes REALLY FAST!!! In this episode of Crash Course Kids, Sabrina talks about some of the reasons things can change quickly...

Everybody does it! But why does it happen? Jessi gives you a look at your digestive system, to discover why we sometimes get a case of the burps.

Mmmm! The smell of a batch of cookies straight out of the oven is enough to make your mouth water! But have you ever wondered why your mouth waters?! Jessi and Squeaks are here to tell you all about saliva and the many ways it helps you...

Margrethe Vestager wants to keep european markets competitive -- which is why, on behalf of the eu, she's fined Google $2.8 billion for breaching antitrust rules, asked Apple for $15.3 billion in back taxes and investigated a range of...

In this episode we looked at robots and the engineering principles of robots. We learned how robots use sensors to interpret their environment, how actuators and effectors allow a robot to manipulate the objects around it to accomplish a...

Mirror neurons are a very cool part of our brains but some people are taking it way further by making claims that they are responsible for telepathy and ESP. It goes without saying that this isn’t true, but what exactly do mirror neurons...

The human hand, with its multi-talented thumb, might be man's greatest tool. But did you know we can trace that thumb, and the hand and arm it's connected to, all the way back to a 375 million-year-old fish named Tiktaalik? This week I...

Jessi and Squeaks explore our home galaxy, The Milky Way!

Picking common and scientific names is a puzzle of taxonomy, and sometimes we end up naming huge frogs "Mountain Chickens". So, let's figure out this puzzle.

From daffodils to dangerous snakes, toxins are everywhere. Here's a collection of episodes about our favorite poisonous, venomous, and generally toxic organisms.