Science

FILE - In this July 11, 2018, file photo, Environmental Protection Agency (EPA) Acting Administrator Andrew Wheeler speaks to EPA staff at EPA Headquarters in Washington. Wheeler says there should be a single national standard for fuel efficiency for cars and trucks, speaking out as a showdown looms with California that could throw the car market into turmoil. (AP Photo/Jacquelyn Martin, File)
July 24, 2018 - 7:38 pm
WASHINGTON (AP) — The acting head of the Environmental Protection Agency said Tuesday that the United States needs a single standard for fuel efficiency for cars and trucks, signaling a possible showdown with California and other states that could throw the car market into turmoil. Andrew Wheeler...
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FILE - In this May 10, 2012, file photo, a doctor holds Truvada pills at her office in San Francisco. New research shows more promise for using AIDS treatment drugs, such as Truvada, as a prevention tool, to help keep uninfected people from catching HIV during sex with a partner who has the virus. Truvada has been shown to help prevent infection when one partner has the virus and one does not, but the evidence so far has been strongest for male-female couples. (AP Photo/Jeff Chiu, File)
July 24, 2018 - 3:25 am
New research shows more promise for using AIDS treatment drugs as a prevention tool, to help keep uninfected people from catching HIV during sex with a partner who has the virus. In one study, there were no infections among gay men who used a two-drug combo pill either daily or just before and...
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USA Today Images
March 14, 2018 - 6:33 am
LONDON (AP) — Stephen Hawking, whose brilliant mind ranged across time and space though his body was paralyzed by disease, died early Wednesday, a University of Cambridge spokesman said. He was 76 years old. Hawking died peacefully at his home in Cambridge, England. The best-known theoretical...
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