News

Life

This ‘junk’ gene may be important in embryo development

Mice — and maybe humans — can’t get past the two-cell stage of development without a particular type of jumping gene.

Genetics

Koala genome may contain clues for helping the species survive

The complete genetic instruction book of a koala may explain why the cuddly-looking cuties are such picky eaters, among other secrets.

Quantum Physics

Mini machines can evade friction by taking quantum shortcuts

Special maneuvers allow researchers to create tiny machines that are as efficient as possible.

Psychology

Kids today are waiting longer than ever in the classic marshmallow test

Preschoolers wait longer for extra treats than they used to.