Balsa wood is classified as a hard wood!
41
During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21
The smell of freshly cut grass is actually a plant distress call.
31
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Liquid TIDE laundry detergent glows under a blacklight.
96
Scientists aren't sure what color dinosaurs were.
312