Vol. 189 No. 9
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More Stories from the April 30, 2016 issue

  1. Animals

    Female burying beetle uses chemical cue to douse love life

    While raising their young, burying beetle mothers produce a chemical compound that limits their male partner’s desire to mate.

  2. Neuroscience

    Brain holds more than one road to fear

    A study on rare patients suggests that fear can take many paths through the brain.

  3. Astronomy

    Companion star could have triggered supernova

    An exploding star in another galaxy might have been pushed over the edge by a stellar companion.

  4. Health & Medicine

    Cancer killers send signal of success

    Newly designed nanoparticles deliver anticancer drugs and updates on tumor death.

  5. Earth

    Quake risk in parts of central U.S. as high as in fault-filled California

    A new report from the U.S. Geological Survey shows an increased earthquake hazard from human activities such as the disposal of fracking wastewater.

  6. Astronomy

    Earth’s hurricanes have nothing on this quasar

    In a remote galaxy, a cosmic hurricane around a supermassive black hole is driving winds at nearly 20 percent of the speed of light.

  7. Animals

    Climate change now bigger menace than forest loss for snowshoe hares

    Shorter snow seasons push climate change ahead of direct habitat loss as menace for Wisconsin snowshoe hares.

  8. Anthropology

    Hobbits died out earlier than thought

    Tiny Indonesian hominids disappeared earlier than thought, around 50,000 years ago.

  9. Archaeology

    Ancient Assyrians buried their dead with turtles

    Why did ancient Assyrians bury their dead with turtles? The reptiles may have served as symbolic protectors of the dead.

  10. Astronomy

    Odd white dwarf found with mostly oxygen atmosphere

    A white dwarf that has been stripped of its hydrogen and helium provides a rare peek inside the core of a dead massive star.

  11. Neuroscience

    Nerve cell links severed in early stages of Alzheimer’s

    Nerve cell connections may be trimmed too much in early stages of Alzheimer’s.

  12. Life

    Zika structure mapped for first time

    The newly solved structure of Zika offers scientists clues on how to combat the virus.

  13. Physics

    Faint gravitational waves could soon be on LIGO’s radar

    In a few years, LIGO could detect hints of faint gravitational waves from black holes too far away to be seen directly.

  14. Psychology

    Marijuana use starting in youth implicated in financial woes

    Long-term, heavy pot smoking linked to financial troubles by age 38.

  15. Neuroscience

    Forgetting can be hard work for your brain

    It can take more work to forget something than to remember it.

  16. Neuroscience

    Hippocampus makes maps of social space, too

    The hippocampus is a multitalented mapmaker.

  17. Climate

    Sea levels could rise twice as fast as previously predicted

    Sea level rise from Antarctica’s melting ice could accelerate faster and sooner than previously thought.

  18. Neuroscience

    Lip-readers ‘hear’ silent words

    Lipreading prompts activity in the brain’s listening area.

  19. Astronomy

    Key sugar needed for life could have formed in space

    Sugar that forms backbone of cell machinery can form on icy grains blasted by ultraviolet light from young stars.

  20. Earth

    Most diamonds share a common origin story

    Most diamonds form from fluids deep inside Earth’s interior that contain carbonate compounds, new research suggests.

  21. Agriculture

    Bacterium still a major source of crop pesticide

    Bacillus thuringiensis bacteria have provided pest-fighting toxins for over 50 years.

  22. Animals

    Cave-dwelling salamander comes pigmented and pale

    Something’s funny in the family tree of pale, slinky cave salamanders.

  23. Science & Society

    Humans have pondered aliens since medieval times

    People have been fascinated with extraterrestrials for centuries. If only aliens would get in touch.

  24. Animals

    Lethal bat disease moves west

    For the first time, the bat-killing white-nose syndrome shows up west of the Rockies.

  25. Health & Medicine

    Machine makes drugs on demand

    A new drug-making system rapidly produces a variety of medications on demand.

  26. Animals

    Ancient snake wore green

    Scientists have reconstructed the skin coloration of a fossilized snake that’s about 10 million years old.

  27. Animals

    Cyborg beetles walk the walk

    New beetle biobots come with speed and gait control.

  28. Animals

    Ant antennae provide chemical ID

    Ants use their antennae to identify nest-mates and potential invaders. But antennae also produce the key compounds that ants use to tell friend from foe.