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Did you know?
There are more nerve cells in one human brain than there are stars in the Milky Way.
Did you know?
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Did you know?
Green tea is able to stop the scent of garlic or onion from causing bad breath.
Did you know?
As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.
Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.