Search Results for: biology

Open the calendar Use the arrow keys to select a date

Can’t find what you’re looking for? Visit our FAQ page.

10,000+ results
  1. Agriculture

    Mixing up root microbes can boost tea’s flavor

    Inoculating tea plant roots with nitrogen-metabolizing bacteria enhances synthesis of theanine, an amino acid that gives tea its savoriness.

    By
  2. Animals

    Male dragonflies’ wax coats might protect them against a warming climate

    The reflective wax, which cools males on sunny courtship flights, may also armor them against the effects of climate change.

    By
  3. Math

    Scientists find a naturally occurring molecule that forms a fractal

    The protein assembles itself into a repeating triangle pattern. The fractal seems to be an accident of evolution, scientists say.

    By
  4. Health & Medicine

    More than 1 billion people worldwide are now estimated to have obesity

    A new analysis suggests that the prevalence of obesity has doubled in women, tripled in men and quadrupled in children and adolescents from 1990 to 2022.

    By
  5. Paleontology

    The oldest known fossilized skin shows how life adapted to land

    The nearly 290 million-year-old cast belonged to a species of amniotes, four-legged vertebrates that today comprises all reptiles, birds and mammals.

    By
  6. Animals

    This snake goes to extremes to play dead — and it appears to pay off

    When dice snakes fake their death to avoid predators, those that use a combination of blood, poop and musk spend less time pretending to be dead.

    By
  7. Science & Society

    Geneticist Krystal Tsosie advocates for Indigenous data sovereignty

    A member of the Navajo Nation, she believes Indigenous geneticists have a big role to play in protecting and studying their own data.

    By
  8. Readers discuss tardigrades, poison dart frogs and more

    By
  9. Life

    Human cancer cells might slurp up bacteria-killing viruses for energy

    In the lab, human cancer cells show signs of cell growth after ingesting bacteria-killing viruses, a hint our cells might use bacteriophages as fuel.

    By
  10. Health & Medicine

    Extreme heat will put millions more older adults at risk in the future

    By 2050, as many as an additional 246 million adults 69 and older could experience temperature extremes that exceed 37.5° Celsius.

    By
  11. Paleontology

    A rare 3-D tree fossil may be the earliest glimpse at a forest understory

    The 350-million-year-old tree, which was wider than it was tall thanks to a mop-top crown of 3-meter-long leaves, would look at home in a Dr. Seuss book.

    By
  12. Animals

    These bats are the only mammals known to mate more like birds

    Male serotine bats have penises too large for penetration. To mate, the animals rub their genitals against each other, somewhat like birds’ cloacal kiss.

    By