Researchers present 'rare phenomenon' at International AIDS Society conference in Paris
  • How Climate Change Is Already Affecting Earth

    Though the planet has only warmed by one-degree Celsius since the Industrial Revolution, climate change’s effect on earth has been anything but subtle. Here are some of the most astonishing developments over the past few years....
  • Anti-CRISPR proteins decrease off-target side effects of CRISPR-Cas9

    CRISPR-Cas9 gene editing is based on a tactic bacteria developed to protect themselves from viruses.  #Research now shows that the countermeasure viruses came up with — inhibitory proteins referred to as anti-CRISPRs — can be used to improve CRISPR-Cas9 as a gene-therapy tool, decreasing off-target gene editing that could...
  • Emmaus bags FDA approval for sickle cell therapy; now comes the hard part

    An FDA greenlight for sickle cell disease therapy Endari has catapulted its developer, Emmaus Medical, into the spotlight, but commercializing the new drug could be challenging. The approval means the privately-held biotech has ended a 20-year drought in new therapies for sickle cell disease (SCD), an inherited disease in which red...
  • SpaceX delivers for Intelsat on heavyweight Falcon 9 mission

    A SpaceX Falcon 9 rocket rumbled into the sky Wednesday from NASA’s Kennedy Space Center in Florida, flexing the rocket’s muscles and lofting a massive Intelsat satellite to orbit supporting wireless communications, television broadcasting and trans-Atlantic data relays. Recovering from back-to-back countdown aborts earlier in the week, the two-stage,...
  • Stephen Hawking: Trump Pushing Earth’s Climate ‘Over The Brink’

    The world’s best-known living physicist, Stephen Hawking, says that President Trump’s decision to pull out of the Paris climate change accord could lead humanity to a tipping point, “turning the Earth into Venus.” The Cambridge professor and renowned cosmologist made the remarks in an interview with the BBC that aired Sunday....
  • Incredible New Observation Shows Supermassive Black Holes Orbiting Each Other

    You think our galaxy is special? Ha. Our boring pinwheel of gas and dark matter might be a nice hangout for humans. But 750 or so million light years away, there’s an elliptical galaxy, Galaxy 0402+379, whose two supermassive black holes are orbiting each other from a distance of...
  • Look, kids! Science!

    In my very first Experimental Error column in 2010, I made fun of standard science demonstrations, especially one I called “Let’s All Gawk at Liquid Nitrogen.” Why, I complained, were certain experiments so universal, especially when they showed nothing about what scientists actually do? Now, 7 years and 82...
  • Human Papillomavirus (HPV) Vaccines

    ON THIS PAGE      What are human papillomaviruses? Which cancers are caused by HPV? Who gets HPV infections? Can HPV infections be prevented? What HPV vaccines are available? Who should get the HPV vaccines? How do HPV vaccines work? How effective are HPV vaccines? Why are these vaccines...
  • Molecular system for artificial photosynthesis

    Photosystems (PS) I and II are large protein complexes that contain light-absorbing pigment molecules needed for photosynthesis. PS II captures energy from sunlight to extract electrons from water molecules, splitting water into oxygen and hydrogen ions (H+) and producing chemical energy in the form of ATP. PS I uses...

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