Science News

Dawn of man: Ethiopian jawbone fossil pushes back human origins


WASHINGTON - A 2.8-million-year-old jawbone fossil with five intact teeth unearthed in an Ethiopian desert is pushing back the dawn of humankind by about half a million years.

Crowdfunding psychedelics: LSD brain-imaging study seeks funds

LONDON - British scientists are turning to crowdfunding to complete the first scientific study ever to image the brain of someone "tripping" on the psychedelic drug LSD.

04 Mar 2015

Israel uses military expertise to join commercial space race

HAIFA, Israel - Israel is embarking on a five-year mission to stake its claim on a crowded new frontier, the $250 billion a year commercial space market.

04 Mar 2015

U.S. science probe nears unexplored dwarf planet Ceres

CAPE CANAVERAL, Fla. - A NASA science satellite on Friday will wrap up a 7-1/2-year journey to Ceres, an unexplored dwarf planet in the main asteroid belt between Mars and Jupiter, scientists said on Monday.

02 Mar 2015

U.S. ends program flagging 'sensitive' patent requests

- A little known but controversial program that flagged sensitive patent applications involving potentially touchy subjects such as AIDS vaccines and abortion devices has been scrapped by the United States Patent and Trademark Office.

U.S., 03 Mar 2015

U.S. satellite likely exploded after temperature spike: Air Force

CAPE CANAVERAL, Fla. - A U.S. military weather satellite appears to have exploded while in orbit last month after a sudden temperature spike in its power system, producing 43 pieces of new space debris, the Air Force said on Tuesday.

U.S., 03 Mar 2015

Harvard prevention trial studies tau, Alzheimer's other protein

CHICAGO - Alzheimer's researchers at Harvard for the first time are scanning the brains of healthy patients for the presence of a hallmark protein called tau, which forms toxic tangles of nerve fibers associated with the fatal disease.

Health 03 Mar 2015

Study finds gorilla origins in half of human AIDS virus lineages

WASHINGTON - Revealing new details about the origins of AIDS, scientists said on Monday half the lineages of the main type of human immunodeficiency virus, HIV-1, originated in gorillas in Cameroon before infecting people, probably via bushmeat hunting.

Health 02 Mar 2015

Pee-powered 'green' toilet to light up refugee camps

LONDON (Thomson Reuters Foundation) - A toilet that uses urine to generate electricity and can charge a mobile phone will soon light up dark corners of refugee camps after being tested by students in Britain.

04 Mar 2015

Lockheed invests in Rocket Lab's U.S. unit to keep pace with innovation

WASHINGTON - Lockheed Martin Corp said on Monday it had made a strategic investment in the U.S. unit of New Zealand's Rocket Lab, which is building a carbon-composite rocket, the Electron, to launch small satellites into orbit for less than $5 million.

02 Mar 2015

U.S. Supreme Court split over Obamacare challenge

WASHINGTON - The U.S. Supreme Court appeared sharply divided on ideological lines on Wednesday as it tackled a second major challenge to President Barack Obama's healthcare law, with Justice Anthony Kennedy emerging as a likely swing vote in a ruling. | Video