On faster spinning planets, life could be hiding out under the atmosphere
Astrobiologists search for molecular oxygen as an indicator of life on other planets, but finding them isn't that straightforward
Mycorrhizal fungi helped plants make the transition from water to land
These fungi attach to plant roots, helping them absorb nutrients and water
Buyer, beware — cyanobacteria toxins in supplements are a serious health risk
Dietary supplements made with blue-green algae also contain their toxins
