Genetics

More Stories in Genetics

  1. Two black and white photos of a mysterious gecko specimen. The image on top show the underside of the gecko while the bottom image shows the top view of the gecko.
    Animals

    DNA has revealed the origin of this giant ‘mystery’ gecko

    A genetic analysis of a 19th century museum specimen, the only known example of the planet’s biggest gecko, has rewritten the animal’s backstory.

    By Natalie van Hoose
  2. image of an octopus
    Animals

    Octopuses and squid are masters of RNA editing while leaving DNA intact

    Modifications to RNA could explain the intelligence and flexibility of shell-less cephalopods.

    By Tina Hesman Saey
  3. An illustration of tau proteins, in orange, with blue and purple proteins floating around.
    Neuroscience

    A rare mutation helped one man stave off Alzheimer’s for decades

    The brain of a Colombian man with an inherited form of Alzheimer’s may hint at ways to halt or slow the progression of the disease.

    By Simon Makin
  4. Illustration of an overhead view of people walking in lines that form the shape of the human DNA double-helix, to represent a single "pangenome".
    Life

    The new human pangenome could help unveil the biology of everyone

    The deciphered DNA includes never-before-explored parts of the genome and better represents the genetic diversity of all humans.

    By Tina Hesman Saey
  5. A close-up photo of a locust biting into another locust. It is frankly unsettling.
    Life

    Swarming locusts can deploy a chemical to avoid being cannibalized

    Releasing a “don’t-eat-me” pheromone signals a locust has become a toxic treat. The finding could lead to new ways to control destructive swarms.

    By Richard Kemeny
  6. A photo of a South American tapir walking through a green grass field with some bushes in the background.
    Genetics

    Here are 5 cool findings from a massive project on 240 mammal genomes

    A new series of studies on mammal genetics is helping scientists start to answer questions about evolution, cancer and even what makes us human.

    By Meghan Rosen
  7. A black-and-white headshot of Rosalind Franklin
    Genetics

    What was Rosalind Franklin’s true role in the discovery of DNA’s double helix?

    Two researchers say that Rosalind Franklin knowingly collaborated with James Watson and Francis Crick to discover the molecular structure of DNA.

    By Tina Hesman Saey
  8. An underwater photo of two sea urchins sitting on the rocky ground.
    Animals

    Urchins are dying off across the Caribbean. Scientists now know why

    A type of single-celled microorganism associated with coral diseases is behind a sea urchin die-off in the Caribbean.

    By Anna Gibbs
  9. A photo of a pale yellow octopus taken from below looking up at the animal on a black background.
    Animals

    Octopus, squid and cuttlefish arms evolved to ‘taste’ different compounds

    Octopus suckers can taste a variety of greasy, sticky molecules, while squid and cuttlefish suckers detect bitter compounds.

    By Tina Hesman Saey