Every atom in your body is billions of years old.

-40 degrees Fahrenheit and -40 degrees Celsius are identical. That's the point at which both temperature scales converge

Men have nipples because as an embryo, everyone is a female until the Y chromosome kicks in.

Spicy food 'can lower the risks of early death'

True - see here

Simply rubbing the inside of a banana peel against your skin will brighten up and tone your skin, help reduce acne, and enhance your glow.

Studies have shown that people are more likely to comply with a random request if you speak into their right ear

True - see here

Neurologists claim that every time you resist acting on your anger, you’re actually rewiring your brain to be calmer and more loving.

7 ways to rewire your brain. -  here

Your bruise turns colours because your body is breaking down and reabsorbing the hemoglobin that leaked from your broken blood vessels.

In the womb, all babies grow mustaches...that they eat.

When a fetus is about four months into pregnancy it develops a mustache that, over the course of a month, spreads over its entire body. This hair is called lanugo and it all falls out before birth and is EATEN BY THE BABY. It then is digested and becomes part of its first poop called meconium.

The egg came before the Chicken - according to scientists.

Viruses are not alive: They do not have cells, they cannot turn food into energy, and without a host they are just inert packets of chemicals.

Debatable
Viruses are not exactly dead, either: They have genes, they reproduce, and they evolve through natural selection.
This has been debated since 1892

Neuroscience research has determined that two cheeseburgers is the pleasure equivalent of one orgasm.