A recent study found that the risk of peanut allergies drops by 77% if peanuts are introduced into a baby's diet between 5 and 6 months of age.

Your sweat is smellier when it's caused by stress (versus sweating from exercise). This is because stress sweat is produced by the apocrine glands, and is thicker with more fat and protein.

Since its inception in 1886, the World Chess Championship has seen only one title decided by a checkmate - nearly a century ago, in 1929.

Tipping was abolished in Switzerland in 1974 following a tax dispute over tips. Service charges are now included in prices, and higher wages have replaced tipping.

A recent study found that medication absorbs fastest when lying on your right side, as it helps the stomach work better. Researchers had previously assumed standing would be most effective.

The oldest barrel of drinkable wine, dating back to 1472, has been tasted only three times: in 1576 for an alliance, in 1716 after a fire, and in 1944 to celebrate Strasbourg's liberation in World War II.

The term 'shrapnel' comes from Lieutenant-General Henry Shrapnel, a British officer who, in 1784, invented a shell that exploded mid-air, scattering metal fragments now named after him.