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evolution

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

Bacterial Complexity Revises Ideas About ‘Which Came First?’

June 12, 2019

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

May 30, 2019

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

May 29, 2019

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

May 15, 2019

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

May 9, 2019

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

April 22, 2019

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

Abstractions blog

Viruses Have a Secret, Altruistic Social Life

April 15, 2019

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

April 9, 2019

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.

Art for "New Squid Genome Shines Light on Symbiotic Evolution"
evolution

New Squid Genome Shines Light on Symbiotic Evolution

February 19, 2019

Researchers hope that the genes of a glowing squid can illuminate how animals evolved organs for beneficial bacteria.