Most Recent

New technologies reveal the dynamic changes in mouse and human embryos during the first week after fertilization.

1 Comment

From fish harvests to cottonwood forests, organisms display evidence that species change can occur on timescales that can influence ecological processes.

5 Comments

image: The Genetics of Society

The Genetics of Society

By | January 1, 2015

Researchers aim to unravel the molecular mechanisms by which a single genotype gives rise to diverse castes in eusocial organisms.

8 Comments

image: On the Other Hand

On the Other Hand

By | September 1, 2014

Handedness, a conspicuous but enigmatic human trait, may be shared by other animals. What does it mean for evolution and brain function?

7 Comments

image: The Sex Paradox

The Sex Paradox

By | July 1, 2014

Birds do it. Bees do it. We do it. But not without a physical, biochemical, and genetic price. How did the costly practice of sex become so commonplace?

13 Comments

image: Deploying the Body’s Army

Deploying the Body’s Army

By | April 1, 2014

Using patients’ own immune systems to fight cancer

3 Comments

image: Crowd Control

Crowd Control

By | July 1, 2013

Molecules, cells, or vertebrates—when individuals move and act as a single unit, surprisingly complex behaviors arise that hint at the origins of multicellularity.

7 Comments

image: Coming to Terms

Coming to Terms

By | November 1, 2012

New noninvasive methods of selecting the most viable embryo could revolutionize in vitro fertilization.

11 Comments

Vaccines

By | June 1, 2011

Looking back, looking ahead

18 Comments

Popular Now

  1. Thousands of Mutations Accumulate in the Human Brain Over a Lifetime
  2. Two Dozen House Republicans Do an About-Face on Tuition Tax
  3. Putative Gay Genes Identified, Questioned
    The Nutshell Putative Gay Genes Identified, Questioned

    A genomic interrogation of homosexuality turns up speculative links between genetic elements and sexual orientation, but researchers say the study is too small to be significant. 

  4. Can Young Stem Cells Make Older People Stronger?
FreeShip