Vol. 194 No. 10 Read Digital Issue Archives

Reviews & Previews

Science Visualized

Notebook

Features

More Stories from the November 24, 2018 issue

  1. patient breathing oxygen
    Health & Medicine

    New therapies pack a triple-drug punch to treat cystic fibrosis

    In testing, a triple-drug therapy significantly improved lung function in cystic fibrosis patients with the most common disease-causing mutation.

    By
  2. Laser satellite illustration
    Physics

    This cloud-zapping laser could help scientists create a quantum internet

    A powerful fast-pulsing laser can bust through clouds to make quantum communication via satellite easier.

    By
  3. ancient spearpoint
    Archaeology

    Ancient Clovis people may have taken tool cues from earlier Americans

    Ancient Americans’ spearpoints may have heralded later Clovis weapons.

    By
  4. Radula perrottetii
    Plants

    Liverwort plants contain a painkiller similar to the one in marijuana

    Cannabinoids found in liverwort plants could spell relief for those suffering from chronic pain.

    By
  5. person sunbathing on a beach
    Life

    To get a deeper tan, don’t sunbathe every day

    Skin cells make protective melanin on a 48-hour cycle.

    By
  6. early vertebrate illustration
    Paleontology

    The first vertebrates on Earth arose in shallow coastal waters

    After appearing about 480 million years ago in coastal waters, the earliest vertebrates stayed in the shallows for another 100 million years.

    By
  7. Nematode worm
    Animals

    While eating, these tiny worms release chemicals to lure their next meal

    As they eat insects, one nematode species releases chemicals that attract more insect prey.

    By
  8. chemical structure of thiostrepton
    Chemistry

    Zapping substances with electrons can quickly map chemical structures

    Speedy molecular identification originally developed for proteins might benefit crime lab researchers and drugmakers.

    By
  9. person lighting marijuana pipe
    Neuroscience

    Young people’s memories improved when they stopped using marijuana

    After just a week of not using pot, teens’ and young adults’ abilities to remember lists of words got better, a small study finds.

    By
  10. cacao beans
    Archaeology

    Ancient South Americans tasted chocolate 1,500 years before anyone else

    Artifacts with traces of cacao push back the known date for when the plant was first domesticated by 1,500 years.

    By
  11. cockroach
    Animals

    How roaches fight off wasps that turn their victims into zombies

    Cockroaches kick attacking emerald jewel wasps to avoid being incapacitated and buried alive as living meat for the wasps’ young.

    By
  12. globs of alpha-synuclein protein
    Health & Medicine

    The appendix is implicated in Parkinson’s disease

    Removal of the appendix reduced the risk of developing Parkinson’s disease, an analysis of nearly 1.7 million health records in Sweden suggests.

    By
  13. black hole
    Astronomy

    Three gas clouds nearly grazed the edge of the Milky Way’s black hole

    Gas clumps cozy up to the Milky Way’s enormous black hole, new observations reveal.

    By
  14. David Mzee's rehab progress
    Neuroscience

    Stimulating the spinal cord helps 3 more paralyzed people walk

    There’s more evidence that with targeted spinal cord stimulation, paralyzed people can move voluntarily — and even walk.

    By
  15. ancient antelope jaw and teeth
    Archaeology

    Fossils hint hominids migrated through a ‘green’ Arabia 300,000 years ago

    A once-green Arabia may have enabled Stone Age entries by Homo groups.

    By
  16. vanadium atoms
    Physics

    Vanadium dioxide’s weird phase transition just got weirder

    When shifting from one crystalline structure to another, the atoms inside vanadium dioxide bumble around a lot more than expected.

    By
  17. moon
    Planetary Science

    China is about to visit uncharted territory on the moon

    The next two Chinese missions to the moon will visit places no spacecraft has been before. The rest of the world wants a piece of the lunar action.

    By
  18. screwworm fly
    Agriculture

    50 years ago, screwworm flies inspired a new approach to insect control

    The United States has wiped out screwworm flies repeatedly since 1966 using the sterile male eradication technique.

    By