Emily Sohn

All Stories by Emily Sohn

  1. Tech

    Cell phones and possible health hazards

    Radiation from some cell phones appears to kill brain cells in rats.

  2. Planets

    Melting Snow on Mars

    Melting blankets of snow may have carved out Martian gullies.

  3. Animals

    Better tools for techno crows

    Certain crows can make tools and even refine their designs.

  4. Planets

    A planet’s slim-fast plan

    A planet orbiting very close to its sun can quickly lose weight.

  5. Animals

    Fish nests with pizzazz

    Fish known as three-spined sticklebacks go gaga over decorating their nests.

  6. Animals

    Lucky survival for black cats

    A cat's black color may date back to a mutation that also protected the felines from diseases a long time ago.

  7. Space

    Phantom Energy and the Big Rip

    Weird stuff called dark energy could push the universe toward a runaway expansion and ultimate demise about 21 billion years from now.

  8. Health & Medicine

    Tapeworms and drug delivery

    Scientists are learning from tapeworms how to develop more effective medicines.

  9. Environment

    Less mixing can affect lake’s ecosystem

    Warming a large lake can cut microorganism populations and disturb its food chain.

  10. Plants

    Slower growth, greater warmth

    A shift toward slower-growing trees might make Earth's climate warm up even faster.

  11. Health & Medicine

    A framework for growing bone

    A promising new material could help encourage damaged or broken bones to grow back.

  12. Humans

    Digging for ancient DNA

    Soil has yielded identifiable DNA of animals and plants that lived up to 400,000 years ago.