Quick facts: From Deepest Ocean Life to the Speed of Black Holes

By Lacy Schley
Jun 7, 2017 5:00 PMNov 18, 2019 10:48 PM
shutterstock ambulance
(Credit: Annette Shaff/Shutterstock)


Sign up for our email newsletter for the latest science news

10 minutes How long brain activity continued after a patient was declared clinically dead, according to a recent case study.

4.4 minutes How much longer it took heart attack and cardiac arrest victims to get to the hospital via ambulance on mornings when their city was hosting a marathon.

5 million mph The approximate speed at which scientists observed a supermassive black hole, roughly 8 billion light-years away from Earth, hurtling through space.

800 times per second The rate at which some mosquitoes can beat their wings; researchers have just figured out the unique wing movements involved.

20% The minimal humidity level — typical of most arid climates — that a new solar-powered device needs to harvest water from the air.

10 kilometers The depth (a little over 6 miles) below the seabed at which life could exist. Mud samples from underwater volcanoes near the Mariana Trench, the deepest part of the ocean floor, revealed chemicals usually produced by living organisms. But the jury’s still out on whether anything is actually living down there.

1 free article left
Want More? Get unlimited access for as low as $1.99/month

Already a subscriber?

Register or Log In

1 free articleSubscribe
Discover Magazine Logo
Want more?

Keep reading for as low as $1.99!


Already a subscriber?

Register or Log In

More From Discover
Recommendations From Our Store
Shop Now
Stay Curious
Our List

Sign up for our weekly science updates.

To The Magazine

Save up to 40% off the cover price when you subscribe to Discover magazine.

Copyright © 2024 Kalmbach Media Co.