Experts crack the secret to last letter of Mary, Queen of Scots before her execution (video)
Researchers have shed new light on how she safeguarded the final letter that she wrote on the eve of her execution, using a technique known as the spiral lock
Fingerprints of ancient masons reveal advanced Iron Age construction technique
The 3000-year old fingerprints were discovered in the United Arab Emirates
How to fall asleep “within two minutes” according to the US Military method
Disrupted sleep patterns alter metabolism and boost the body's ability to store fat, making a strong link between obesity and shift work