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biodiversity

Cichlid fish of diverse colors and shapes swim together.
evolution

New Hybrid Species Remix Old Genes Creatively

September 10, 2019

Clues from fish diversity suggest that interbreeding between species could be a major mechanism of fast speciation.

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

What’s in a Name? Taxonomy Problems Vex Biologists

June 24, 2019

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

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 "Scientists Discover Nearly 200,000 Kinds of Ocean Viruses"
Abstractions blog

Scientists Discover Nearly 200,000 Kinds of Ocean Viruses

April 25, 2019

New work raises the estimated diversity of viruses in the seas more than twelvefold and lays the groundwork for a better understanding of their impact on global nutrient cycles.

Art for "Dormant Microbes Bide Their Time Over Decades - Old Fires"
ecology

Heat-Loving Microbes, Once Dormant, Thrive Over Decades-Old Fire

April 16, 2019

In harsh ecosystems around the world, microbiologists are finding evidence that “microbial seed banks” protect biodiversity from changing conditions.

Q&A

She Finds Clues to Future Sustainability in Old Food Webs

March 21, 2019

By reconstructing prehistoric food webs and analyzing the diverse interactions of humans with other species, the ecologist Jennifer Dunne is developing a new understanding of sustainability through network science.

Art for "A Thermodynamic Answer to Why Birds Migrate"
ecology

A Thermodynamic Answer to Why Birds Migrate

May 7, 2018

New modeling studies suggest that birds migrate to strike a favorable balance between their input and output of energy.

Abstractions blog

Complex Animals Led to More Oxygen, Says Maverick Theory

March 21, 2018

For decades, researchers have commonly assumed that higher oxygen levels led to the sudden diversification of animal life 540 million years ago. But one iconoclast argues the opposite: that new animal behaviors raised oxygen levels and remade the environment.

520px photo of phytoplankton
Abstractions blog

Evolution Saves Species From ‘Kill the Winner’ Disasters

February 12, 2018

Modelers find evidence that a combination of competition, predation and evolution will push ecosystems toward species diversity anywhere in the universe.