January 5, 2019

What would happen if I never trimmed my nails?

Fingernails grow slowly – roughly a hair’s width a day – but that growth adds up over the long term. Let your grow wild and you […]
January 5, 2019

Why do I have a sense of taste?

Scientists have determined that the human tongue is attuned to several flavors: sweet, salty, bitter, sour, savory (think soy sauce), and possibly fat. Telling the difference […]
January 5, 2019

How do I taste my food?

Your tongue bristles with tiny bumps called taste buds: chemical receptors that interpret flavors and transmit that information to your noggin. Our sense of smell also […]
January 5, 2019

Why do my arms or legs tingly when I lie on them?

Roll onto your arm in your sleep and you’ll likely wake up to find it numb and lifeless, as if it wants to sleep in. Then […]