What's up in

biology

evolution

Game Theory Calls Cooperation Into Question

A new solution to the prisoner’s dilemma, a classic game theory scenario, has created new puzzles in evolutionary biology.

Biology

Breakthrough DNA Editor Born of Bacteria

Interest in a powerful DNA editing tool called CRISPR has revealed that bacteria are far more sophisticated than anyone imagined.

Biology

Networks Reveal the Connections of Disease

Disease is the result of failure somewhere along the line in a complex dance of biological components. Now statistical physicists are using enormous databases of medical records to study connections between illnesses.

genetics

Machine Intelligence Cracks Genetic Controls

Scientists have begun to decipher the most difficult-to-read parts of the genome — the parts that don’t code for proteins. The new work reveals how errors in these genetic instructions can lead to disease.

Biology

New Twist Found in the Story of Life’s Start

All life on Earth is made of molecules that twist in the same direction. New research reveals that this may not always have been so.

evolution

Ancient Survivors Could Redefine Sex

Microscopic creatures called bdelloid rotifers have thrived without mating for millions of years. How they did it could reveal why sex is so essential for almost everyone else.

neuroscience

Mental Leaps Cued by Memory’s Ripples

The same mental processes that organize memories may also coordinate how we make decisions.

neuroscience

Brain’s Positioning System Linked to Memory

The 2014 Nobel Prize in Physiology or Medicine was awarded to three researchers who discovered how the brain navigates the world. Their work may also help illuminate how the mind stores memories.

biology

Elusive Form of Evolution Seen in Spiders

A study of diverse colonies of spiders supports a controversial idea in evolution — that natural selection can act on communities as well as on individuals.