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E.g., 11/15/2018
E.g., 11/15/2018
Your search has returned 136 images:
  • computer rendering of Ocean Cleanup system
  • in vitro fertilization
  • spearpoints from Texas
Your search has returned 233 articles:
  • November 10, 2018

    11/09/2018 - 08:48
  • October 27, 2018

    10/24/2018 - 18:16
  • October 13, 2018

    09/26/2018 - 15:35
  • News

    A massive net is being deployed to pick up plastic in the Pacific

    The days of the great Pacific garbage patch may be numbered.

    A highly anticipated project to scoop up plastic from the massive pool of ocean debris is poised to launch its first phase from Alameda, Calif., on September 8. The creators of the project, called the Ocean Cleanup, say their system can remove 90 percent of the plastic in the patch by 2040.

    First proposed in a 2012 TED...

    09/07/2018 - 17:36 Oceans, Pollution
  • 50 years ago, scientists took baby steps toward selecting sex

    Toward preselected sex

    Robert Edwards and Richard Gardner of Cambridge University … say they have been able to remove rabbit embryos … then reimplant only the blastocysts destined to develop into the chosen sex. The implications are obvious and enormous. If this procedure could be extended easily to man there might, for instance, be imbalances, even fads, in the selection by parents...

    07/20/2018 - 13:49 Genetics, Technology, Science & Society
  • News in Brief

    Texas toolmakers add to the debate over who the first Americans were

    People inhabited what’s now central Texas several thousand years before hunters from North America’s ancient Clovis culture showed up, researchers say.

    Excavations at the Gault site, about 64 kilometers north of Austin, produced a range of stone artifacts that date to between around 16,700 and 21,700 years ago, reports a team led by archaeologist Thomas Williams of Texas State University...

    07/11/2018 - 14:10 Archaeology
  • News

    Cancer cells engineered with CRISPR slay their own kin

    Using gene editing, scientists have hoodwinked tumor cells into turning against their own kind.

    Cancer cells circulating in the bloodstream have something of a homing instinct, able to find and return to the tumor where they originated. To capitalize on that ability, researchers engineered these roving tumor cells to secrete a protein that triggers a death switch in resident tumor cells...

    07/11/2018 - 14:00 Cancer, Biomedicine, Genetics
  • News

    Stone tools put early hominids in China 2.1 million years ago

    Members of the human genus, Homo, left Africa far earlier than thought, reaching what’s now central China by around 2.12 million years ago, a new study finds.

    Some stone tools unearthed at China’s Shangchen site date to roughly 250,000 years before what was previously the oldest Eurasian evidence of Homo, say geologist Zhaoyu Zhu of the Chinese Academy of Sciences in Guangzhou and his...

    07/11/2018 - 13:33 Archaeology, Human Evolution
  • Science Visualized

    See this star nursery shine in a stunning new infrared image

    New tech is revealing how young stars have an outsized influence on their environment. In this image from the Very Large Telescope in Chile, hundreds of newborn stars sculpt and illuminate gas and dust in their stellar nursery.

    Released July 11 by the European Southern Observatory, the image shows star cluster RCW 38, which is located about 5,500 light-years from Earth toward the...

    07/11/2018 - 06:00 Astronomy
  • The Science Life

    Surprise! This shark looks like a male on the outside, but it’s made babies

    It’s easy to tell a male from a female shark. Flip it over. If it has a pair of claspers — finger-like extensions jutting from the end of the pelvic fins — it is male; no claspers means female. Like a penis, claspers deliver sperm inside the female.

    That was marine biologist Alissa Barnes’ understanding until she dissected seven bigeye houndsharks (Iago omanesis) with claspers and found...

    07/10/2018 - 10:00 Animals