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Human World

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.

cancer cells
Science Wire | May 21, 2013

Scientists develop new tumor-killer

Scientists from Nanyang Technological University (NTU) and Lund University, Sweden, have bioengineered a novel molecule which has been proven to successfully kill tumor cells.

Hayfield in infrared via Andrew Shurtleff
Blogs | Videos | May 21, 2013

Video: Seeing (infra)red

Andrew Shurtleff’s stunning time-lapse video shows the world as viewed in near-infrared – like a planet painted in pure ice.

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 TornadoChasers.com
FAQs | May 21, 2013

What are the 10 deadliest U.S. tornadoes?

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

Show above are elastic conductors using silver nanowires, which are said to offer several advantages over other materials used in the past.
Science Wire | May 20, 2013

Opening doors to foldable electronics

Researchers develop method to print highly conductive, bendable layers of graphene.

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.

excavation site
Science Wire | May 17, 2013

New discovery shatters conventional ideas of how agriculture emerged

Use of new analysis techniques provides food for thought about how people lived 5,000 years ago.

flexible-skin-like-heart-300
Science Wire | May 16, 2013

Engineers monitor heart health using paper-thin flexible skin

Engineers created a wearable heart monitor thinner than a dollar bill that could one day provide doctors with a safer way to check the condition of a patient’s heart.

Kepler, planet-hunter.  Image via NASA
Blogs | May 16, 2013

Planet-hunting Kepler spacecraft in trouble

It went into safe mode on Tuesday, May 14 after the #4 reaction wheel, needed to orient the spacecraft, would not spin.