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evolutionary biology

Root glowing green against black background. Small spheres and threadlike filaments surround it.
ecology

Soil’s Microbial Market Shows the Ruthless Side of Forests

August 27, 2019

In the “underground economy” for soil nutrients, fungi strike hard bargains and punish plants that won’t meet their price.

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.

Photo of the female penis structure of the cave insect Neotrogla aurora.
Abstractions blog

Why Evolution Reversed These Insects’ Sex Organs

January 30, 2019

Among these cave insects, the females evolved to have penises — twice. The reasons challenge common assumptions about sex.

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.