When Were Condoms Invented? A Revealing History
The history of the condom has not always been associated with comfort. We’ve tried linen, tortoise-shell (yes really), and latex. What does the future hold?
Can Men Lactate? Yes, But It’s Complicated
Yes! Men can lactate. However, it’s rare and occurs when the pituitary gland produces a hormone called prolactin which induces milk production.
Space Blindness: A Scary Side Effect of Microgravity
Space blindness is a serious side effect of spending prolonged periods in space. How will scientists solve the problem in time for the expedition to Mars?
What does SOS mean? How Morse Code Confused the World
What does SOS mean? Many believe that it means Save our Souls or Save this Ship, but it is an offshoot of the system of Morse code. Read this history
How Lobsters Communicate: You Think You’ve Got Problems?
How do lobsters communicate? With no vocal cords, the options are limited. Fortunately, they’re blessed with two bladders in their heads and can release jets of potent urine to get their message across.
When Was Toothpaste Invented?
From ashes of ox hooves, eggshells, pumice, and myrrh to fluoride and sodium lauryl sulfate, the history of toothpaste has come a long way in 7000 years.
Regrowing Teeth: Have Scientists Cracked the Code?
Is it possible to regrow teeth? Up until recently, dentures and implants were the only way. But soon, medieval dentistry might be history.