What's up in

evolution

Art for "What’s in a Name? Taxonomy Problems Vex Biologists"
taxonomy

What’s in a Name? Taxonomy Problems Vex Biologists

Researchers struggle to incorporate ongoing evolutionary discoveries into an animal classification scheme older than Darwin.

Art for "Bacterial Complexity Revises Ideas About ‘Which Came First?’"
cell biology

Bacterial Complexity Revises Ideas About ‘Which Came First?’

Contrary to popular belief, bacteria have organelles too. Scientists are now studying them for insights into how complex cells evolved.

Art for "The Body’s Clock Offers a Rhythmic Target to Viruses"
chronobiology

The Body’s Clock Offers a Rhythmic Target to Viruses

Viruses and other parasites may sync with their host’s biological clock — or reset it — to gain an advantage.

Art for "Ancient DNA Yields Snapshots of Vanished Ecosystems"
genomics

Ancient DNA Yields Snapshots of Vanished Ecosystems

Surviving fragments of genetic material preserved in sediments allow scientists to see the full diversity of past life — even microbes.

Art for "In Ecology Studies and Selfless Ants, He Finds Hope for the Future"
Q&A

In Ecology Studies and Selfless Ants, He Finds Hope for the Future

For more than six decades, the influential biologist Edward O. Wilson has drawn connections between evolution, ecology and behavior, often sparking controversies inside and outside of science.

Art for "Rapid Oxygen Changes Fueled an Explosion in Ancient Animal Diversity"
Abstractions blog

Rapid Oxygen Changes Fueled an Explosion in Ancient Animal Diversity

Skyrocketing animal diversity a half-billion years ago was linked to spikes and dips in marine oxygen levels, according to a detailed geological study.

Art for "Icefish Study Adds Another Color to the Story of Blood"
evolution

Icefish Study Adds Another Color to the Story of Blood

The rainbow of pigments that animals use for blood illustrates a central truth of evolution.

Abstractions blog

Viruses Have a Secret, Altruistic Social Life

Researchers are beginning to understand the ways in which viruses strategically manipulate and cooperate with one another.

Art for "Researchers Rethink Ancestry of Complex Cells"
evolution

Researchers Rethink the Ancestry of Complex Cells

New studies revise ideas about the symbiosis that gave mitochondria to cells and about whether the last common ancestor of all eukaryotes was one cell or many.