The smell of freshly cut grass is actually a plant distress call.
31
The sun is 330,330 times larger than the earth.
75
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
A ball of glass will bounce higher than a ball made of rubber.
73
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21