Sarah Schwartz

All Stories by Sarah Schwartz

  1. illustration of the vagus nerve

    Viva vagus: Wandering nerve could lead to range of therapies

    Researchers are testing ways to stimulate the vagus nerve to treat a slew of ailments.

  2. Earth

    Surface spills near fracking sites implicated in water contamination

    Chemical spills from fracking operations are the likely source of chemicals found in drinking water wells in northeastern Pennsylvania.

  3. Maori Wrasse fish

    Fish have had telescoping jaws for 100 million years

    Around 100 million years ago, fish developed a knack for extending their jaws to snare prey, and they’ve been perfecting this hunting technique ever since.

  4. Health & Medicine

    Weight and sun exposure linked to onset of multiple sclerosis

    Among people with multiple sclerosis, those with higher body mass and lower adolescent sun exposure tended to be diagnosed with the disease at an earlier age, a new study suggests.

  5. nobelists

    Chemistry Nobel granted for deciphering DNA repair

    Three researchers win chemistry Nobel for working out how cells fix damaged genetic material

  6. dna ligase

    Chemistry Nobel honors studies of DNA repair mechanisms

    Studies of DNA’s repair mechanisms have won Tomas Lindahl, Paul Modrich and Aziz Sancar the 2015 Nobel Prize in chemistry.

  7. pitcher plant Nepenthes gracilis

    Raindrops help pitcher plants trap dinner

    Pitcher plants use the force of falling raindrops to fling prey into their traps.

  8. dung beetle and seeds

    Stinky seeds dupe dung beetles

    Seeds that look and smell like animal poop can trick dung beetles into spreading and burying the seeds.

  9. Deccan Traps with map

    Giant asteroid may have triggered deadly volcano eruptions

    Increased volcanic eruptions coincided much more closely with an asteroid impact and the extinction of the dinosaurs than previously believed, a new study suggests.

  10. cloud of dust and bacteria

    A cloud of microbes surrounds a person

    People are surrounded by a personal cloud of bacteria.

  11. protocells

    ‘Protocells’ show ability to reproduce

    Lab-made “protocells” mimic the division process of early cells, and may help researchers understand cellular evolution.

  12. Merino sheep

    Math describes sheep herd fluctuations

    Scientists have developed equations to describe the motion of a herd of sheep.