Meghan Rosen

All Stories by Meghan Rosen

  1. opioid newborn
    Health & Medicine

    For babies exposed to opioids in the womb, parents may be the best medicine

    A surge in opioid-exposed newborns has U.S. doctors revamping treatments and focusing on families.

  2. Gardens of the Zoological Society of London

    Shocking stories tell tale of London Zoo’s founding

    In The Zoo, Isobel Charman pens a gripping narrative of the London Zoo’s early days, when workers had a hard time keeping animals alive.

  3. hematite

    Oldest microfossils suggest life thrived on Earth about 4 billion years ago

    A new claim for the oldest microfossils on Earth suggests that life may have originated in hydrothermal vents, but some scientists have doubts.

  4. Zika DNA vaccine
    Health & Medicine

    DNA may offer rapid road to Zika vaccine

    Researchers are pursuing multiple vaccine strategies for blocking Zika infection.

  5. testosterone test-tube
    Health & Medicine

    Questions remain about the benefits of taking testosterone

    For men with low testosterone, the pros and cons of taking hormone replacement therapy are mixed.

  6. vial labeled zika
    Health & Medicine

    See how long Zika lasts in semen and other bodily fluids

    For most men infected with Zika, traces of the virus disappear from semen 81 days after symptoms begin. In other bodily fluids, Zika RNA is typically cleared even faster.

  7. castor beans
    Health & Medicine

    Ricin poisoning may one day be treatable with new antidote

    Mice treated with a blend of antibodies survived even when treated days after exposure to ricin.

  8. East Asian hunter-gatherer skull

    DNA points to millennia of stability in East Asian hunter-fisher population

    Ancient hunter-gatherers in East Asia are remarkably similar, genetically, to modern people living in the area. Unlike what happened in Western Europe, this region might not have seen waves of farmers take over.

  9. deuterostome fossil

    Pinhead-sized sea creature was a bag with a mouth

    Dozens of tiny fossils discovered in 540-million-year-old limestone represent the earliest known deuterostomes, a diverse group of animals that includes humans and sea cucumbers.

  10. bat bot

    Bat robot takes wing

    Unlike other aerial robots that use whirling rotor blades to fly, the Bat Bot relies on soft, silicone-based wings to glide, swoop and turn.

  11. LSD in brain protein

    LSD’s grip on brain protein could explain drug’s long-lasting effects

    The newly discovered structure of a human serotonin receptor linked to LSD could reveal why the drug’s hallucinogenic effects last so long.

  12. cryo-electron microscopy map of immature zika virus

    Map of Zika virus reveals how it shifts as it matures

    A cryo-electron microscopy map of immature Zika virus offers a never-before-seen glimpse of remodeling of the virus’s protein and RNA core.