“Space Crops”

Uber Eats deliveries to Mars are going to be expensive, so the first colonists of the Red Planet will need to figure out how to grow their own food locally. A new study has shown that dosing plants with symbiotic bacteria can drastically improve their growth in barren Mars-like soil. Extremely dry and dusty, the rocky dirt that gives the […]

Metavehicles Propelled By Light

  Although solar-powered devices are now fairly common, Swedish scientists have created something a little different. They’ve built tiny “metavehicles” that are mechanically propelled and guided via waves of light. Led by Prof. Mikael Käll and former PhD student Daniel Andrén, a team at the Chalmers University of Technology constructed the vehicles by coating microscopic particles with what are known […]

Artificial Sweeteners Increase Food Cravings

Artificial sweeteners are widely promoted as safe, zero-calorie alternatives to sugar, ideal for those trying to lose weight. But a new study is indicating artificial sweeteners may increase appetite and food cravings, particularly in females and the obese. “There is controversy surrounding the use of artificial sweeteners because a lot of people are using them for weight loss,” says corresponding […]