What's up in

evolution

Fluorescence
Biology

Inside the Din, Cells Fight Noise With Noise

Is the random noise inside a cell a nuisance, or have cells evolved ways to put it to work?

genetics

In Bees, a Hunt for Roots of Social Behavior

By comparing the genomes of social and solitary bees, scientists hope to uncover the basis for communal behavior.

origins of life

Early Life in Death Valley

Evidence from Southwestern deserts suggests that oxygen-breathing organisms arose on land rather than in the seas.

evolution

Does Competition Drive Diversity of Species?

A large new study of ovenbird lineages questions the extent to which competing species push each other to evolve.

origins of life

Chemists Seek Possible Precursor to RNA

Scientists have discovered building blocks similar to those in modern RNA that can effortlessly assemble when mixed in water and heated.

Jeremy England
Physics

A New Physics Theory of Life

An MIT physicist has proposed the provocative idea that life exists because the law of increasing entropy drives matter to acquire lifelike physical properties.

evolution

Under Pressure, Does Evolution Evolve?

Some organisms respond to stress by driving up their mutation rate. Are they evolving specific mechanisms to enhance evolution in times of crisis?

genetics

A Missing Genetic Link in Human Evolution

Mysterious episodes of genetic duplication in our great ape ancestors may have paved the way for human evolution.

genetics

Tracking the Evolution of Cancer, Cell by Cell

Analyzing individual cancer cells could reveal the answer to some of the disease’s most enduring mysteries.