What colours should we be looking for from exoplanets if they hold life? New research from Japan suggests they could be more similar to Earth than previously thought.
Quora is a site for posting questions to the internet. Sometimes those questions get answer. For example Robert Frost, who has trained astronauts for the International Space Station, has answered the question: How are...
It is often said that cockroaches are one of the hardiest of animals, allegedly able to withstand a nuclear holocaust. Well, serious contenders amongst the plant-like critters are lichens, thale cress and tobacco...
What colour are plants? No, not a stupid question, but I bet you were tempted to answer ‘green’? Which is fair enough; chlorophyll is the major pigment in plants and consequently they do tend to appear green. But! This...