What is the slowest thing on Earth?

Physicists can use bright, hot lasers to slow atoms down so much that they measure -459 degrees Fahrenheit.

Katie McCormick, Postdoctoral Scholar of Physics, University of Washington • conversation
June 22, 2020 ~6 min

Tags: physics quantum-mechanics laser light photons molecules curious-kids curious-kids-us temperature cold atoms absolute-zero warmblood sloths

What is a brain freeze?

Have you ever felt a piercing pain in your head when you eat something cold?

Tyler Daniel Anderson-Sieg, Doctoral Student in Biomedical Sciences, University of South Carolina • conversation
April 23, 2020 ~4 min

Tags: brain pain blood curious-kids curious-kids-us cold oxygen ice-cream blood-vessels

Do I have to wear a jacket when it's cold outside?

Leaving your coat at home on a cold winter day doesn't automatically mean you're going to get sick. But it could make you more susceptible to germs.

Carolyn Kaloostian, Clinical Assistant Professor of Family Medicine, University of Southern California • conversation
Feb. 20, 2020 ~4 min

Tags:  influenza  immune-system  viruses  winter-weather  quick-reads  sick  curious-kids  curious-kids-us  colds  rhinovirus  temperature  germs  cold  cold-weather  sickness

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