Uncategorized
- Chemistry
Explainer: What is chirality?
Chiral molecules are mirror images of each other. They might not seem all that different — but can have drastically different effects in medicine, materials and more.
- Physics
Precise tee placement can improve golf driving, teen finds
A homemade golf-ball-driving machine helped this middle-school engineer improve his own game.
- Fossils
Let’s learn about Tyrannosaurus rex
These fearsome predators truly were enormous — with the bone-crushing bite power to match.
- Space
Scientists Say: Spacetime
Weaving together the concepts of space and time allows scientists to understand gravity and more.
- Health & Medicine
Butt breathing might help people struggling to get enough oxygen
This strange investigation into whether humans can use the gut for breathing has surprisingly heartwarming origins: helping the scientist’s dad.
- Animals
Lions have a second roar that scientists have only just discovered
This insight from machine-learning analyses of recordings of calls in the wild might help detect where lions are declining.
- Climate
As winters warm, athletes must cope with harder snow and tricky ice
Ice arenas and artificial snow now dominate the winter Olympics. Athletes there — and everywhere — may need to adjust how they train and perform.
- Space
They came from other stars! [COMIC]
Only three interstellar objects have ever been spotted. Here’s what we know about them and why they’re so cool.
- Earth
Experiment: How does the tilt of Earth’s axis affect the seasons?
Seasons have nothing to do with Earth’s distance from the sun. The real reason for the seasons is the tilt of Earth’s axis.
- Tech
A mosquito’s mouth can ‘print’ lines thinner than a human hair
Scientists turned a mosquito’s straw-like mouthpart into a 3-D printing nozzle that creates ultra-thin lines.
- Animals
Chicago’s Rat Hole? Science concludes it’s likely not from a rat
Researchers employed tools of paleontology to analyze the iconic landmark — a sidewalk critter crater made when a mystery rodent fell into wet concrete.
- Brain
Scientists Say: Hallucination
Humans are not the only ones who can hallucinate. When a chatbot confidently generates a plausible but incorrect response, this error is called a hallucination.
