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How Much Money Could We Sell The Earth For?

AdultsEconomyWorldScience...
If aliens came to Earth and offered to buy it, how much should we sell it for?

Is It Safe To Get Your DNA Tested?

AdultsFamilyGeneticsScience...
Once it's out of your body, your genetic information is valuable to a variety of people, but you can keep it safe(ish) with a few simple steps.

Why Are There As Many Males As Females?

AdultsAnimalsBiologyNature...
In almost every animal species on Earth, equal numbers of males and females are conceived. Why is that?

What Is Light?

AdultsScienceTravelPhilosophy
We are so used to some things that we stopped wondering about them. Like light. What is light? Some kind of wavy thing, right? Kind of.

NEW Gravitational Wave Discovery!

AdultsScienceSpace
Scientists have JUST published this new observation.

How Evolution works

AdultsBiologyGeneticsHistory...
The theory of evolution explains how the enormous variety of life could come into existence. How it is possible for primitive life forms to spawn the millions of different creatures, that exist today.

Why Electroshock Therapy Is Back

AdultsHealthMental HealthTechnology...
Shocking the brain has come and gone as a medical treatment, but it's currently resurging, as it often provides the best form of relief for severe depression and advanced Parkinson's disease.

Why Are Mosquitoes Attracted To Me?!

AdultsAnimalsGeneticsNature...
Mosquitoes are attracted to me and it's likely due to my genes.

Why Our Favorite Crops Live Fast and Die Young

AdultsEcologyIndustryScience...
We mostly grow annual plants because they reliably produce energy-rich seeds, which we like to eat.

What If Your Airplane Door Burst Open Mid-Flight?

AdultsScienceTransportationTravel...
Flying may be more horrifying than you think.

How did teeth evolve? - Peter S. Ungar

AdultsBiologyHealthHuman...
You may take them for granted, but your teeth are a marvel. They break up all your food over the course of your life, while being strong enough to withstand breakage themselves. How do they do it?

Why Alien Life Would be our Doom - The Great Filter

AdultsScienceSpaceTravel...
Finding alien life on a distant planet would be amazing news - or would it? If we are not the only intelligent life in the universe, this probably means our days are numbered and doom is certain.

Could we clone humans? - Earth Lab

AdultsBiologyHumanScience...
Dom Burgess investigates whether we could clone humans in the future.

How to Make an Elephant Explode with Science - The Size of Life 2

AdultsAnimalsGeneticsScience...
Life on this planet is based on cells. Cells do vary in size. But they are pretty similar in their dimensions across all species. A blue whale doesn't have bigger cells than a hummingbird, just a lot more of them.

Could Lab-Grown Meat Make Eating Human O.K.? (Part 2 of 3)

AdultsFoodIndustryScience
Lab grown meat has been making headlines recently, but is it actually a better alternative to the traditional meat industry?

How does your immune system work? - Emma Bryce

AdultsBiologyHealthScience
The immune system is a vast network of cells, tissues, and organs that coordinate your body's defenses against any threats to your health. Without it, you'd be exposed to billions of bacteria, viruses, and toxins that could make something as minor as a paper cut or a seasonal cold fatal. So how does it work? Emma Bryce takes you inside the body to find out.

How Airlines Price Flights

AdultsEconomyIndustryTravel...
Airline ticket pricing probably seems like a crapshoot. The numbers change seemingly arbitrarily every week, day, or hour, but there is some real science behind these prices.

You Think You Know What Meat Is... But You Have No Idea (Part 1 of 3)

AdultsFoodScienceHistory
Eating meat has been part of the human identity for 2.5 million years, but according to science, what exactly is meat?

The Truth About the Titanic Has Been Revealed

AdultsHistoryTransportationTravel...
Recent findings reveal the truth that has been buried for over one hundred years. Scientists have debunked the theory that the cause of the Titanic sinking was an iceberg.

What are mini brains? - Madeline Lancaster

AdultsBiologyHumanScience
Shielded by our thick skulls and swaddled in layers of protective tissue, the human brain is extremely difficult to observe in action. Luckily, scientists can use brain organoids - pencil eraser-sized masses of cells that function like human brains but aren't part of an organism - to look closer. How do they do it? And is it ethical? Madeline Lancaster shares how to make a brain in a lab.

Where does all the snot come from? - James May's Q&A (Ep 3) - Head Squeeze

AdultsHealthHumanScience
James May tells us exactly where that green snot in our nostrils comes from. He also delves into how mucus helps prevent harmful foreign objects from entering our bodies.