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.

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.

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.

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.

Moore, Oklahoma tornado May 20, 2013

Links to the the tragic consequences, and how to donate to help the victims, below.

What are the 10 deadliest U.S. tornadoes?

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

Compressing air for renewable energy storage

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

Opening doors to foldable electronics

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

Invasive ladybugs: Secrets of their success

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

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.