Dogs sometimes fake being sick to get attention.
26
Lobsters have blue blood.
476
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
A 42-foot sperm whale has about 7 tons of oil in it.
209
A dairy cow can produce more milk when listening to music.
446
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16