SciShow
The Legendary Arecibo Radiotelescope
All telescopes work by gathering light from the stars, but one held the crown for square footage for collecting that light for 53 years. The amazing Arecibo.
TED Talks
TED: Have we reached the end of physics? | Harry Cliff
Why is there something rather than nothing? Why does so much interesting stuff exist in the universe? Particle physicist Harry Cliff works on the Large Hadron Collider at CERN, and he has some potentially bad news for people who seek...
SciShow
The Oldest, Most Distant Object in the Universe Discovered
Hank reports on the discovery by NASA scientists of the most distant, oldest galaxy ever observed.
SciShow
5 of the World's Most Dangerous Chemicals
They explode when you touch them. Even a millionth of a gram can kill you. They can even disable you with their horrifying smell. SciShow introduces you to give of the most dangerous chemicals in the world.
TED Talks
Mike Rowe: Learning from dirty jobs
Mike Rowe, the host of "Dirty Jobs," tells some compelling (and horrifying) real-life job stories. Listen for his insights and observations about the nature of hard work, and how it's been unjustifiably degraded in society today.
SciShow
The 3 Biggest Space Impacts Ever
Celebrate Asteroid Day by learning about the 3 biggest collisions that Earth has experienced with celestial objects.
TED Talks
Juna Kollmeier: The most detailed map of galaxies, black holes and stars ever made
Humans have been studying the stars for thousands of years, but astrophysicist Juna Kollmeier is on a special mission: creating the most detailed 3-D maps of the universe ever made. Journey across the cosmos as she shares her team's work...
SciShow
We Found Evidence of a Brand-New Particle | Space News
X-rays leaking from dead stars could breathe new life into a hypothetical particle theory, plus an ancient Titanic force may have helped twist Saturn’s axis.
SciShow
How Cosmic Rays and Balloons Started Particle Physics
Today, cosmic rays are used to understand things like supernovas, but in the early 1900s, they helped us discover brand-new subatomic particles long before the first accelerators.
SciShow
Why This Galaxy Gets TWO Black Holes
There’s a massive black hole next door that appears far too big for its host galaxy! And in another galaxy, TWO supermassive black holes formed, giving us a glimpse at a true rarity in astronomy!
TED Talks
TED: What time is it on Mars? | Nagin Cox
Nagin Cox is a first-generation Martian. As a spacecraft engineer at NASA's Jet Propulsion Laboratory, Cox works on the team that manages the united States' rovers on Mars. But working a 9-to-5 on another planet -- whose day is 40...
TED Talks
Victor Vescovo: What's at the bottom of the ocean -- and how we're getting there
Victor Vescovo is leading the first-ever manned expedition to the deepest point of each of the world's five oceans. In conversation with TED science curator David Biello, Vescovo discusses the technology that's powering the explorations...
SciShow
Dmitri Mendeleev: Great Minds
Hank introduces us to the man behind the periodic table - the brilliant Russian chemist Dmitri Mendeleev.
SciShow
Elizabeth Blackburn: Great Minds
Hank brings us the story of Elizabeth Blackburn, the Nobel Prize-winning Australian woman who discovered telomeres and telomerase, and helped scientists begin to understand the process of aging at a genetic level.
SciShow
Where Are All the Exo-Earths?
Scientists have discovered over 5,000 exoplanets in the last few decades, but where are the Exo-Earths?
SciShow
Rosalind Franklin: Great Minds
Rosalind Franklin was a British scientist who helped discover the structure of DNA, but you most likely haven't heard of her. Hank will attempt to fix this gap in your knowledge on today's SciShow: Great Minds.
SciShow
Two New Planets Discovered?
Click here to find out more about "New Planets Found!" and "SUPER EARTH Orbiting Our Sun!". Ignore the clickbait...Hank Green explains what might have been found in this episode of SciShow Space.
SciShow
Barbara McClintock: Great Minds
Hank tells us about another great mind in science - Barbara McClintock won the Nobel Prize in Physiology for her discovery of mobile genetic elements and remains the only woman to receive an unshared prize in that category.
TED Talks
Phil Plait: The secret to scientific discoveries? Making mistakes
Phil Plait was on a Hubble Space Telescope team of astronomers who thought they may have captured the first direct photo of an exoplanet ever taken. But did the evidence actually support that? Follow along as Plait shows how science...
TED Talks
TED: A rare galaxy that's challenging our understanding of the universe | Burcin Mutlu-Pakdil
What's it like to discover a galaxy -- and have it named after you? Astrophysicist and TED Fellow Burcin Mutlu-Pakdil lets us know in this quick talk about her team's surprising discovery of a mysterious new galaxy type.
SciShow
Photosynthesis WITHOUT THE SUN
Plants need light to survive. But apparently, that doesn't have to be sunlight.
TED-Ed
How do antidepressants work? | Neil R. Jeyasingam
In the 1950s, the discovery of two new drugs sparked what would become a multi-billion dollar market for antidepressants. Neither drug was intended to treat depression at all— many doctors and scientists believed psychotherapy was the...
TED-Ed
TED-Ed: The most notorious scientific feud in history | Lukas Rieppel
After the California Gold Rush of 1848, settlers streamed west to strike it rich. In addition to precious metals, they unearthed another treasure: dinosaur bones. Two wealthy scientists in particular— Othniel Charles Marsh and Edward...
SciShow
SciShow Quiz Show: SciShow vs VidCon
With VidCon Australia just around the corner, Julia Maes, Executive Producer of VidCon International, faces off against Hank Green on the SciShow Quiz Show, answering questions about Australian things and earning prizes for Patreon patrons!