SciShow shares the latest developments in science, this week including new insights into the evolution of giant sperm, and the discovery of a whole new order of animal.

In his lab at Penn, Vijay Kumar and his team build flying quadrotors, small, agile robots that swarm, sense each other, and form ad hoc teams -- for construction, surveying disasters and far more.

* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. The Sistine Chapel is one of the most iconic buildings on earth -- but there's a lot you probably don't know about...

SciShow explores two celestial mysteries: the origins of a meteorite that crashed into a house in California, and who's releasing chemicals into the atmosphere that were banned more than 25 years ago?

The United Arab Emirates is planning an enormous colony on Mars, but first they are building the biggest Mars simulator right here on earth.

This week, evidence that Archaeopteryx could actually fly and a giant leap forward in graphene production!

The COVID-19 pandemic changed the way we work for good. Can it also change it for the better? Consultant Patty McCord reviews four key insights employers and employees alike gleaned from their shift to working from home -- and shares how...

A mini-lesson on cause and effect.

This week Craig breaks out the crystal ball to try and figure out why our congresspeople do the things that they do. We’ll talk about the three motivating factors of congressional decisions - constituency, interest groups, and political...

Do you remember longing for a snow day so you could get out of school? Scientists have found evidence that a decades old technique might increase the chances of a snow day.

Plutonium powered robot car! With a laser gun! That's (kind of) what's hurtling through space right now as part of NASA Mars Science Laboratory heads for the Red Planet. Hank walks you through this historic mission, with the help of some...

From cinnamon to Tide pods, “challenge videos” are dangerous. So why do people do them?

Scientists think that evolution may not have prepared our brains for donuts, and an international research team has found out that some of earth’s oldest, largest trees are suddenly on the decline.

If salty water is constantly spilling into the world’s oceans, does that mean they are getting saltier by the day?

Tech communities are booming all over Africa, says Nairobi-based Juliana Rotich, cofounder of the open-source software Ushahidi. But it remains challenging to get and stay connected in a region with frequent blackouts and spotty Internet...

Khadijah Tribble eloquently describes how marijuana reform is necessary to end the destructive war on drugs. Differential enforcement of marijuana drug laws have led to ongoing, systemic social and economic inequity. Tribble suggests...

Psychologists consider nostalgia a complex emotion and it may have both benefits and risks.

There’s no question that comets have been regarded as some of the most beautiful things in the night sky for thousands of years. But why are their heads often green but never their tails?

When scientists first split the atom, they didn't realize what they'd done until physicist Lise Meitner figured out they had discovered what we now call nuclear fission.

SciShow Psych tackles the science behind what might be one of the most hated words in the English language: moist.

Multiple companies and organizations have announced early results about their COVID-19 vaccines. Here's what we know about Pfizer's.

Many of us have longed for cool sci-fi inventions like a holodeck or replicators, but there's one tool we're actually getting pretty darn close to creating: the medical tricorder.

It's been just about a year now since we first heard about COVID-19, and while we've learned a lot since then, there are still some big questions we'd like answered. Here are three of them.

Sometimes, in order to learn something, you've got to punch a giant asteroid.