If you find yourself sniffling at the merest hint of an irritant, you likely have a different set of microbes calling your nostrils home than everyone else.
In the US alone, around 300,000 children each year have their tonsils surgically removed to improve breathing while sleeping or reduce recurrent infection.
With a surface area more than twice that of Greater London's, A23a is the biggest iceberg on the planet, having calved from the Filchner-Ronne Ice Shelf in 1986.
They say one's trash is another's treasure, but a chunk of 'rock' used to keep a door open for decades is a treasure by pretty much any metric you might care to use.
The United States has redefined what qualifies as "healthy" food for the first time in 30 years, striking items like white bread from the list while welcoming nutrient-rich options such as eggs and salmon, officials said Thursday.