Sci/Tech

Ten trillionths of your suntan comes from beyond our galaxy

Aug. 12, 2016 - Lie on the beach this summer and your body will be bombarded by about sextillion photons of light per second. Most...

Slower snowmelt affects downstream water availability in western mountains

RENO, Nev. August 12, 2016 - Western communities are facing effects of a warming climate with slower and earlier snowmelt reducing streamflows and possibly...

Textbook story of how humans populated America is ‘biologically unviable,’ study finds

Aug. 11, 2016 - The established theory about the route by which Ice Age peoples first reached the present-day United States has been challenged...

A.I. Could Be a Firefighter’s ‘Guardian Angel’

August 11, 2016 - Firefighters have only their wits and five senses to rely on inside a burning building. But research developed in part...

New map details threat of Zika across Europe, US

LAWRENCE, KS, Aug. 10, 2016 - With Zika sparking anxiety at the Summer Olympic Games in Brazil, and now being transmitted in Florida through...

1967 solar storm nearly took US to brink of war

WASHINGTON, DC, Aug. 9, 2016 -- A solar storm that jammed radar and radio communications at the height of the Cold War could have...

Cancer-causing chemical in drinking water traced to fire-fighting foam

Aug. 9, 2016 - Fire-fighting foam containing highly fluorinated chemicals is contaminating drinking water supplies around many of the nation’s military bases, airports and...

Sunflowers move by the clock

Aug. 5, 2016 - It's summertime, and the fields of Yolo County are filled with ranks of sunflowers, dutifully watching the rising sun. At...

Team led by SF State astronomer catalogs most likely ‘second-Earth’ candidates

Aug. 3, 2016 - Looking for another Earth? An international team of researchers has pinpointed which of the more than 4,000 exoplanets discovered by NASA's...

Solar eruption larger than Earth

August 1, 2016 - A gigantic ribbon of hot gas bursts upwards from the Sun, guided by a giant loop of invisible magnetism. This remarkable...

New fossil evidence supports theory that first mass extinction engineered by early animals

July 31, 2016 - Newly discovered fossil evidence from Namibia strengthens the proposition that the world's first mass extinction was caused by "ecosystem engineers" -...

ORNL-led study analyzes electric grid vulnerabilities in extreme weather areas

OAK RIDGE, Tenn., July 29, 2016 - Climate and energy scientists at the Department of Energy's Oak Ridge National Laboratory have developed a new...