Two centuries of bikes, and we’re still debating the best way to learn to ride one.

From sea creatures to cityscapes, minerals are everywhere!

Game of Thrones got us thinking — what would a real dragon look like?

These frogs can have up to TEN back legs.

How can the science of learning help us rethink the future of education for all children? Airing September 14, 2016 at 9 pm on PBS

Meet the earthquake that drowned the Pacific Northwest.

Want to find another world beyond our solar system? Here are the 5 ways you can do it.

Would you eat insects if it helped save the planet?

What should you do with the borax you have leftover from making slime? Make crystals!

Follow the emergency in Flint from the switch in water supply to today’s health crisis.

Actor Joe Morton, narrator of “Poisoned Water,” discusses the Flint water crisis.

The WannaCry cyberattack cost the economy billions of dollars. Here's why that's scary.

LeeAnne Walters, of Flint, Michigan, helps save the city from a lead water crisis.

These extinct frogs used to barf up their babies—and now scientists are trying to bring them back from the dead. Discover more in this episode of Gross Science.

In this special report, NOVA investigates what happened in Flint, Michigan when local officials changed the city’s water source to save money, but overlooked a critical treatment process. As the water pipes corroded, lead leached into the system, exposing the community—including thousands of children—to dangerous levels of poison. NOVA uncovers the science behind this manmade disaster.

Gross Science explores hand hygiene, with some help from the show Clean My Space.

For almost 13 years, the spacecraft Cassini has been in the Saturn system, documenting the planet and its moons. Cassini’s days are numbered—on 15 September, it will be sent hurtling towards Saturn. But just because it’s running out of fuel doesn’t mean it’s running out of fire. Cassini has a lot more science to do in its final chapter.

During WWII, Nazis forced Samuel Bak and his family out of their home in Vilna, Lithuania.

In a forest in Lithuania, a team of scientists searches for traces of a vanished people.