SciShow
Can an Equation Really Tell Us How Many Aliens Exist?
In 1961, the astronomer Frank Drake wrote down what is now known as the Drake Equation. It's so important to the culture surrounding the search for extraterrestrial life that scientists have carved it into the upcoming Europa Clipper...
SciShow
Are Sharks Really Older Than the North Star?
If you've spent enough time on the internet, you may have stumbled upon the fact that sharks are older than Polaris, aka the North Star. But are they really? It turns out the truth is a little more complicated.
PBS
Cosmic Microwave Background Challenge | Space Time | PBS Digital Studios
If a photon leaves the train station shortly after the Big Bang ...
SciShow
Why Are Saturn’s Rings Younger Than Saturn?
Saturn's rings are younger than Saturn, and the most spectacular sight in the Solar System is also disappearing. How do we know? By running our finger through some cosmic dust.
SciShow
Most Planets Don't Orbit Stars!?
Hunting for rogue planets is like hunting for an invisible needle in a haystack. But we're getting a much clearer view thanks to gravitational microlensing surveys. And it looks like there are a LOT more of them out there than we thought.
SciShow
The Experiment That May Have Broken Physics | SciShow News
Researchers have made some unexpected readings of mysterious particles called muons, which may make us reexamine the Standard Model in physics.
SciShow
Kudzu: So Bad It Even Makes the Air Worse!
Many folks in the southeastern US know that the invasive vine kudzu swallows cars, utility poles, and entire mountainsides. They may not know it also contributes to air pollution and even makes it harder for us to ensure that everyone...
Curated Video
UN warns that Nigeria on the brink of famine
The United Nations has warned that if the international community and Nigerian authorities don't address an ongoing humanitarian crisis in the country there would be a large-scale famine.Speaking in Brussels on Thursday, Toby Lanzer, the...
Curated Video
Buyers clamour for Princess Margaret's jewels at auction
London, 13 June 2006 - AP Television
1. Pan up from bidders to wide of auction hall
2. Telephone bidders framed between paintings of Margaret
3. People bidding for lots
4. Still of Margaret wearing Poltimore Tiara on wedding day...
SciShow
5 Clues to Earth's Climate History
As Earth’s climate changes, one of the hardest things to figure out is exactly how the planet will change in response. And while we can’t know the future for sure, we can get a lot of good clues from the past.
SciShow
The Lakes and Rivers of Ancient Mars
Ancient Mars had a lot of water! This week on SciShow Space News, scientists analyzed the Curiosity rover's data on the rocks in Gale Crater, using it to learn more about what the lakes and rivers on olden-day Mars might have looked like.
SciShow
Poop: Our Newest Ally in the Fight Against COVID-19?
Right now, scientists need additional COVID-19 monitoring methods. And our poops might help!
PBS
Are We Alone? Galactic Civilization Challenge
The Drake Equation tells us the likelihood that there are other advanced technological civilizations waiting for us among the stars. In this episode of Space Time we challenge you to use the Drake Equation to help us determine how near...
Be Smart
The Odds of Finding Life and Love
Love is a complicated combination of brain chemicals and behavior that scientists are only just beginning to figure out. And it's remarkable that in every society that we have looked at on Earth, romantic love exists. So if love is so...
SciShow
What Megalodon’s Teeth Say About Their Parenting
A shark's teeth usually says "stay away", but we can learn a lot from them, including what type of parents they were.
SciShow
How Much Humanity Weighs
Hank gives us a summary of a strange new calculation, which estimates the total body mass of all the humans on earth.
SciShow
How Junk Food Hacks Your Brain
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.
SciShow
Great Whites May Have Taken Out Megalodon 3.6 Million Years Ago | SciShow News
Megalodon is the largest shark that’s ever existed, and according to Hollywood it’s alive and well. But according to scientists, it’s definitely extinct, and it was probably thanks to its smaller cousins, great white sharks.
SciShow
Why You Don't Really Know the Size of a Walrus
When you imagine a walrus, you probably picture it way smaller than it actually is. It’s because our brains meddle with our senses in more ways than you might expect.
PBS
Is It Irrational to Believe in Aliens?
Aliens! Could humans really be alone in this expansive universe? And if we're not, how come we've never made contact with other intelligent life? Everyone's thought about it; especially members of the scientific community. Join Gabe as...
SciShow
Will We Ever Find Intelligent Alien Life?
What can an equation tell us about whether or not we're alone in the universe?
SciShow
A Baby Planet May Have Once Smashed Into Jupiter - SciShow News
Shortly after Jupiter formed, it might have been struck by an object that may have otherwise become its own planet! And researchers have a new estimate of how many Earth-like planets might exist.
SciShow
The Chelyabinsk Meteor: What We Know
In this episode of SciShow, Hank explores what we now know about the meteoroid that streaked across Russian skies on February 15, 2013.