When is water safe to drink? - Mia Nacamulli
AdultsEcologyHealthScience...Water is refreshing, hydrating, and invaluable to your survival. But clean water remains a precious and often scarce commodity - there are nearly 800 million people who still don't have regular access to it. Why is that? And how can you tell whether the water you have access to - whether from a tap or otherwise - is drinkable? Mia Nacamulli examines water contamination and treatment.
Lasers Are Great, But Diamond Superlasers Are Better, Here's Why
AdultsNatureScienceTechnologyScientists have discovered how to create a real life 'superlaser' using an ultra-pure diamond. How exactly does it work?2
The science behind the Impossible Burger
AdultsCreativityFoodNeuroscience...The Impossible Burger is meatless, but it tastes, smells, and bleeds like the real thing. The secret ingredient? Neuroscience.
The Man Who Has Inseminated Over 1,000 Honeybees | Amazing Humans
AdultsAnimalsGlobal WarmingNature...The bee population has dropped dramatically and Michael Waite is taking matters into his own hands with a scheme to inseminate Queen bees.
The snakey, viney robot that can go almost anywhere
AdultsCreativityScienceTechnology...Researchers at Stanford University developed a soft, squishy robot that "grows" like a vine and can squeeze through tight spaces. It can also lift heavy objects, which makes it potentially ideal for search-and-rescue operations.
More ice is about to break off of Antarctica - and it's what scientists feared most
AdultsGlobal WarmingNatureWorld...The giant crack that's been racing across Antarctica Larsen C ice shelf finally met its breaking point between July 10 and 12. The result was an iceberg the size of Delaware and weighing a trillion metric tons.
The sound illusion that makes Dunkirk so intense
AdultsCreativityFilmScienceWhy Christopher Nolan is obsessed with Shepard tones.
What happens when you have a concussion? - Clifford Robbins
AdultsHealthNeuroscienceSports...Each year in the United States, players of sports and recreational activities receive between 2.5 and 4 million concussions. How dangerous are all those concussions? The answer is complicated and lies in how the brain responds when something strikes it. Clifford Robbins explains the science behind concussions.
The left brain vs. right brain myth - Elizabeth Waters
AdultsHumanNeuroscienceScience...The human brain is visibly split into a left and right side. This structure has inspired one of the most pervasive ideas about the brain: that the left side controls logic and the right side controls creativity. And yet, this is a myth, unsupported by scientific evidence. So how did this idea come about, and what does it get wrong? Elizabeth Waters looks into this long held misconception.
Can you find the next number in this sequence? - Alex Gendler
AdultsCreativityMathScience...1, 11, 21, 1211, 111221. These are the first five elements of a number sequence. Can you figure out what comes next? Alex Gendler reveals the answer and explains how beyond just being a neat puzzle, this type of sequence has practical applications as well.
How does caffeine keep us awake? - Hanan Qasim
AdultsAddictionFoodHealth...Over 100,000 metric tons of caffeine are consumed around the world every year. That's equivalent to the weight of 14 Eiffel Towers! Caffeine helps us feel alert, focused, and energetic, even if we haven't had enough sleep - but it can also raise our blood pressure and make us feel anxious. So how does it keep us awake? Hanan Qasim shares the science behind the world's most widely used drug.