Did You Know These?
Octopuses have 3 hearts and blue blood! Two hearts pump blood to the gills, and one to the body.
Bananas are radioactive! They contain potassium-40, a natural radioactive isotope. Learn more.
Your brain uses as much electricity as a 10-watt bulb! That’s enough to light a small lamp! Get more information.
Space smells like seared steak! Astronauts describe the smell of burnt metal and steak after spacewalks. Check it out.
Water can boil and freeze at the same time! It's called the triple point – where all three states of matter coexist.
DNA can survive in space! Scientists have found that DNA can withstand the harsh environment of space. Read study.
Volcano lightning exists! It's caused by static charges in volcanic ash clouds. More info.
Plants can 'hear' water! Roots grow toward the sound of running water. Read research.
The Sun makes up 99.8% of our solar system's mass! It’s the ultimate heavyweight champion! NASA Facts.
