The Paradox of an Infinite Universe
AdultsEducationScienceSpacePhilosophy... What is outside of the universe? We know that the universe had a beginning 14 billion years ago and that it has been expanding ever since.
The Windiest Places On Earth
KidsNatureWeatherWorldScience... Jessi and Squeaks explore two of the windiest places on Earth: Mount Washington in New Hampshire, USA, and Commonwealth Bay, Antarctica.
3 Mysteries of the Universe
AdultsEducationScienceSpace We're still in the dark about what 95 percent of our universe is made of — and the standard model for understanding particle physics has hit a limit.
The Science Behind The Colours Animals See
KidsAnimalsNatureScienceBiology... A team of researchers from the University of Sussex in the U.K. and George Mason University in the U.S. used a modified camera to record nature as it might be seen by other animals.
Turtles Versus Tortoises
YouthAnimalsFactsFunScience... These reptiles are often mistaken for each other but, are they the same thing? It's time to get to the bottom of this tort-ally confusing conundrum!
What Is Ambergris?
YouthAnimalsFactsScienceNature... Our researcher Dr James Rule explains what ambergris is made of and why we’ve become so fond of it.
Odysseus Spacecraft Lands On The Moon
YouthFutureSpaceTechnologyScience... On Thursday evening, the Odysseus spacecraft landed on the Moon. It's the first time a US spacecraft has landed on the Moon in 50 years.
Why Are All Humans Unique? Meiosis: Crash Course Biology
AdultsBiologyHumanScienceEducation... Ever wonder why we aren’t exact clones of our parents, or why siblings aren’t exactly alike? The reason traces back to meiosis. In this episode of Crash Course Biology, we’ll discover how egg and sperm cells get made and learn why you’re a totally unique remix of your parents’ DNA.
What's The Smallest Animal On Earth?
YouthAnimalsEducationScience Are you wondering: What's the smallest animal on Earth? This question came from Brady, a student from Canada.
Why Climbers Trust Rubber With Their Lives
AdultsEducationLifeScienceEngineering... Why is rubber so “sticky”? Why does rubber consistently have one of the highest coefficients of friction?
Why Does Everything Decay Into Lead
AdultsEducationHistoryScienceChemistry... If you look at a copy of the periodic table, you might notice that basically every element after lead is labelled as radioactive.
Are We Made Of Stardust?
YouthFactsScienceSpaceHistory... Our planetary scientist Dr Ashley King reveals how the big bang, stars and supernovas helped make life possible.
Weird Things Animals Do During Eclipses
AdultsAnimalsScienceSpaceNature... For centuries, humans have reported animals freaking out during solar eclipses, like birds falling from the sky and bees hiding in their hives, but the animals most affected by eclipses might be us.
What You Need To Know About Europa
YouthScienceSpaceWorld Exploring this ocean world with our Europa Clipper spacecraft could provide new clues in our search for life beyond Earth.
Alex Honnold Rappels The Moulin
AdultsHumanTravelWorldSportsAdventureScience... Climber Alex Honnold and glaciologist Heidi Sevestre descend deep into a Moulin: a deep verticial river going tens of meters into the glacier itself.