It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
By putting a frog in a bucket of milk, scientists following up on an ancient Russian way of keeping milk from going sour have identified a wealth of new antibiotic substances.
9
If you were to roll a lung from a human body and out flat it would be the size of a tennis court.
36
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
You have no sense of smell when you're sleeping!
72
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
Only 1% of bacteria cause disease.
45
We are born with 350 bones, and die with 206.
135