What color is hippo milk?
WOW - Hippopotamus Milk is Pink in Color. Hippopotamuses produce two unique skin secretions (so unique they're named after the animal), "hipposudoric acid" and its analog "norhipposudoric acid". It gives the hippopotamuses' sweat a red coloration, commonly believed to be blood (it's not). View Video
Which is the most common element on earth?
On earth, oxygen is the most common element, making up about 47% of the earth's mass. Silicon is second, making up 28%, followed by aluminum (8%), iron (5%), magnesium (2%), calcium (4%), sodium (3%), and potassium (3%). Read Full Article
Who was the last man to walk on the moon?
In 1972 Apollo 17 astronaut Captain Eugene Cernan became the last man on the moon. Cernan, a US Navy fighter pilot handpicked by Nasa in 1966 despite not applying for the space programme, nor having gone to test pilot school, went on to fly three space missions.Read Full Article
What kind of bees can sting more than once?
Wasps and many bees can sting more than once because they are able to pull out their stinger without injuring themselves. Only honeybees have special hooks on their stinger that keep the stinger in the skin after a person is stung. The stinger gets torn out of the bee's body as it tries to fly away.Read Full Article
Who measured the speed of light?
The first true measurement of light-speed came in 1676 by a fellow named Olaf Roemer. He noted that the time elapsed between eclipses of Jupiter with its moons became shorter as the Earth moved closer to Jupiter and became longer as the Earth and Jupiter drew farther apart.Read Full Article