The bizarre physics of fire ants
AdultsAnimalsNatureTechnology...They're not just an animal, they're a material. And that's got engineers interested.
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.
Why people think they see ghosts
AdultsPsychologySpiritualityScience...Even though there is no scientific evidence that ghosts exist, you may not be crazy if you see one.
Who Lives At The Bottom Of The Mariana Trench?
AdultsAnimalsEnvironmentNature...Creepy Monsters At The Bottom Of The Mariana Trench.
A popular way to cook broccoli removes important nutrients
AdultsFoodScienceHealth...Broccoli is one of the most nutritious vegetables. However, boiling it takes many of those essential nutrients out. There's a simpler way to cook it and retain all the nutrition. Following is a complete transcript of the video.
What can you learn from ancient skeletons? - Farnaz Khatibi
AdultsHistoryHumanScience...Ancient skeletons can tell us a great deal about the past, including the age, gender and even the social status of its former owner. But how can we know all of these details simply by examining some old, soil-caked bones? Farnaz Khatibi examines a fascinating branch of science known as biological anthropology.
Meet NASA's new class of astronauts
AdultsScienceTechnologySpaceMore than 18,300 candidates applied to be astronauts in NASA's latest class-smashing the record of 8,000 applicants in 1978-and only 12 got the job. Here's who made the cut.
Jumping Water Droplets Could Be the Future of Cooling Computers
AdultsSoftware EngineeringTechnologyEngineering...Engineers have created a new water-based cooling system that could put an end to electronics crashing and overheating.
The ferocious predatory dinosaurs of Cretaceous Sahara - Nizar Ibrahim
AdultsAnimalsHistoryWorld...In Cretaceous times (around 100 million years ago), North Africa was home to a huge river system and a bizarre menagerie of giant prehistoric predators -- including the Spinosaurus, a dinosaur even more fearsome than the Tyrannosaurus rex. Nizar Ibrahim uses paleontological and geological data to reconstruct this "River of Giants" in surprising detail.
This Is Not What Space Looks Like
AdultsPhotographySpaceTechnology...Amazing images of the far reaches of the universe are everywhere, but are they accurate? What does space really look like?