16 Facts You Thought Were True But Are Total Rubbish
Shaving your hair doesn’t actually make it grow back thicker.
Your hair and nails don’t continue to grow when you die.
People think that this is the case because when you die your skin shrinks, which makes your nails and hair look longer.
Daddy long leg spiders are actually venomous.
The seemingly harmless daddy long leg is in fact venomous but its teeth cannot break through human skin.
Sleeping with wet hair doesn’t give you a cold.
Simply put, colds are caused by viruses.
Lightning can strike the same place more than once.
Lightning hitting the same spot doesn’t do anything to the electrical charge of the storm.
Defibrillators don’t do anything to start non-beating hearts.
Flatlined hearts cannot be started by the shock of a defibrillator. For a heart to beat and give life, there must be the right chemical balance of electrolytes. Defibrillators are used to reset and correct irregular heartbeats, like ventricular fibrillation, in the hopes that the cells reorganise into a regular heartbeat again.
And CPR isn’t meant to revive a non-beating heart either.
While the common belief is that CPR is used to revive someone, it’s actually used prevent brain damage by pumping oxygen through the lungs. For the most part, without an effective electric shock, the heart won’t start beating regularly again.
If you ask an undercover cop if they’re a cop, they don’t actually have to tell you they are.
Undercover cops can help you commit a crime, because they’re exempt from some criminal laws, but can’t force or convince you to do one. So not only do they not have to tell you who they are, you probably won’t even know.
You don’t have to be rich to adopt a child.
Depending where in the world you are, the adoption process can be expensive, but you don’t necessarily have to be ~rich~ to adopt. You must, however, be financially stable enough to provide for the child.
If you swallow gum, you won’t be stuck with it in your stomach for seven years.
While it isn’t digested like other foods, gum eventually just passes through your body. It rarely stays in your stomach for seven days, so forget about seven years.
And consuming sugar doesn’t make children hyper.
The common idea is that giving children too much sugar makes them hyper, but really it’s just the thought of sugar making them excited. There have been no links between sugar consumption and hyperactivity.
Washing your hands with soap doesn’t kill germs, it just washes some away.
Soap removes bacteria from the hands but doesn’t actually kill them.
Bacteria cling to and thrive on the oils on your hands. Soap helps remove these oils and, in turn, washes some of the bacteria away.