1. Genetics

    Molecular biologist honors ancient bones

    After deciphering an ancient skeleton’s genetic secrets, molecular biologist Sarah Anzick helped reinter the remains.

  2. Earth


    Readers discuss Tibetan genetics, how Saharan dust built the Bahamas and why people don't like being left alone with their thoughts.

  3. Genetics

    A story about why people get fat may be just that

    In this issue, reporters look at efforts to find the genes that could be responsible for the obesity crisis and how evolution acts on diseases such as Ebola and tuberculosis.

  4. Genetics

    Ancient famine-fighting genes can’t explain obesity

    Scientists question the long-standing notion that adaptation — specifically the evolution of genes that encourage humans to hold on to fat so they can survive times of famine — has driven the obesity crisis.

  5. Genetics

    Source of coffee’s kick found in its genetic code

    Coffee doubled up on caffeine-making genes. Those genes evolved independently from similar ones found in tea and chocolate plants.

  6. Materials Science

    Silkworms spin spider-strong threads

    Silkworms with a spider protein make silk tough enough to be woven into clothing.

  7. Health & Medicine

    Tiny mites are probably crawling all over your face

    Two skin mites, relatives of spiders, might populate the faces of all adult humans, according to a DNA survey.

  8. Genetics

    Ebola genome clarifies origins of West African outbreak

    Genetic analyses suggest that a single infected person sparked the ongoing Ebola epidemic in West Africa.

  9. Animals

    Antarctic midge sports tiniest insect genome

    Antarctic midge‘s genetic minimalism achieved by skipping a lot of repetitive stretches.

  10. Genetics

    Long before Columbus, seals brought tuberculosis to South America

    Evidence from the skeletons of ancient Peruvians shows that seals may have brought tuberculosis across an ocean from Africa.

  11. Genetics

    Debate rages over mouse studies’ relevance to humans

    Last year, researchers said rodents are not good mimics of human inflammation; a new study says the reverse.

  12. Health & Medicine

    Mummies reveal hardened arteries

    Mummy studies suggest heart disease is an ancient malady, not just the product of modern diets and sedentary lifestyles.