Tropical climates are famously rich in biodiversity, perhaps because old lineages persist well in those regions instead of being simply replaced by new ones, or perhaps because the tropical environment promotes fast speciation. A new …
Read the full story »Paris Walking Tour Podcast
Bienvenue a Paris! This Let’s Go audio walking tour should help you find the crème de la crème in the City of Lights. You could do it all in one long day, or pick and …
Multifaceted Menace
Mosquitoes can walk on water as well as any waterbug, or stick to a wall like Spiderman. A team led by C. W. Wu at the Dalian University of Technology in China mounted a mosquito’s leg on a needle and pushed it down onto a tub of water on a digital balance. By varying the angle, they found that a single leg could hold 23 times a mosquito’s weight before becoming submerged, they report in July’s Physical Review Letters.
Work Out, Chow Down
Heavy snacking after exercise may have little to do with hunger or appetite hormones. In a new study, people who rode a bike for an hour ate more for lunch than those who just sat …
Country Cooking
A wood-burning stove that uses sound to generate electricity and refrigeration could one day make waves in developing countries. The appliance would rely on external combustion, such as a wood fire, to heat one end of a tube of compressed gas, inducing sound waves that can be harnessed to generate enough electricity to power a light bulb and a small refrigeration unit.
