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Earth when May 20 tornado was active in Oklahoma
Blogs | May 21, 2013

View from space: Four satellites views of Moore tornado

Four images from space, from NASA and NOAA satellites, of the Moore, Oklahoma tornado on May 20, 2013.

energy-word-collage
Science Wire | May 21, 2013

New method for producing clean hydrogen

Engineers have developed a novel method for producing clean hydrogen, which could prove essential to weaning society off of fossil fuels and their environmental implications.

Great white shark.  Courtesy C. Fallows
Blogs | May 21, 2013

Great white sharks supplement a seal diet with dead whales

Great white sharks, apex ocean predators, are also mega scavengers of the largest of ocean carrion, dead whales.

May 20, 2013 tornado in Moore, OK
May 21, 2013

Official death toll lowered in Moore, OK tornado tragedy

Officials have lowered the death toll to 24 confirmed deaths and hundreds of injuries from the massive tornado that struck Moore, Oklahoma yesterday.

Via wwaytv3.com
Blogs | May 21, 2013

Everything you need to know: Tornado safety

This post takes a look at tornado safety. Learn about the best places to seek shelter and how to protect yourself from the storm.

Via TornadoChasers.com
FAQs | May 21, 2013

What are the 10 deadliest U.S. tornadoes?

These are the 10 deadliest U.S. tornadoes since 1900.

wind-turbine
Science Wire | May 20, 2013

Compressing air for renewable energy storage

Study identifies two compressed air energy storage methods and sites for the Northwest.

Image Credit: Strt's Photos
Blogs | May 20, 2013

Invasive ladybugs: Secrets of their success

The harlequin ladybird gets a leg up on the natives with the aid of a parasitic fungus.

Shawnee, OK tornado on May 19 via Brett Wright
Blogs | May 20, 2013

Incredible videos and photos of tornadoes in central U.S. May 18-19

Videos and photos of tornadoes that pushed through the central U.S. this past weekend. Warning: some are graphic. More severe weather expected today.

Photo credit: Chris Zahm
Interviews | May 20, 2013

Chris Zahm: Understanding and probing the world below our feet

Necessary resources such as oil and water lie below our feet. How today’s scientists are coming to understand the world underground, while exploring for resources in safe, practical and effective ways.