Primitive Technology: Water Bellows (uses water instead of leather)
Adults Construction Creativity EducationI built a Water Bellows. It’s an upside-down clay pot with an inlet valve and an outlet spout. The inlet valve is simply a hole in the pot with a leaf plastered to the inside with wet clay so that it forms a one-way flap valve.
The Fastest Ant on Earth | Earth's Great Seasons | BBC Earth
Adults Animals Life NatureWith extra long legs to raise their bodies above the hot ground and silver hair to reflect the sun, silver ants are built for life in the desert. But even they have limits, and being the fastest ant on Earth comes in handy when you have to race to beat the heat.
Britain's Ugliest Dog
Youth Animals Humor RelationshipsPeggy was crowned Britain's Ugliest Dog recently and got the celebrity treatment as part of her prize.
How should we measure intelligence? | Mary-Helen Immordino Yang
Adults Human Psychology SocietyOur society has an obsession with quantifying everything, often applying measurements and numerical values where they aren't necessary.
Is Nuclear Power “Too Expensive”?
Adults Economy Education TechnologyThe best argument against nuclear power, maybe the only real argument, is that nuclear power is “too slow” to build and is “too expensive” to finance. Is this true?
5 Ways CRISPR Is About to Change Everything
Adults Biology Biotechnology HumanCRISPR-based gene therapies are already changing healthcare for things like sickle cell disease. But CRISPR is bigger than just medicine, and it could revolutionize everything from food and agriculture to green energy fuels to plastics.
How To Draw: Baby Garfield
Kids Art Creativity How-toToday, we're learning how to draw baby Garfield.
How Do Cicadas Make Noise?
Youth Animals Environment ScienceLearn a bit about the science of how cicadas make their unique noise.