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evolution

Art for "How Equality and Inequality Shape the Birds and the Bees"
insights puzzle

How Equality and Inequality Shape the Birds and the Bees

Two dynamic, seemingly opposing forces likely played an important role in the evolution of reproduction and child rearing in social animals like bees and humans.

Art for "‘Broadband’ Networks of Viruses May Help Bacteria Evolve Faster"
microbiology

‘Broadband’ Networks of Viruses May Help Bacteria Evolve Faster

A newly discovered mechanism may enable viruses to shuttle genes between bacteria 1,000 times as often as was thought — making them a major force in those cells’ evolution.

Art for "Three Biochemists Win Chemistry Nobel for Directing Evolution"
Abstractions blog

Three Biochemists Win Chemistry Nobel for Directing Evolution

By using the power of evolution to solve practical problems, three researchers opened new avenues to chemical discovery.

Photo of Trichoplax adhaerens
genomics

World’s Simplest Animal Reveals Hidden Diversity

The first animal genus defined purely by genetic characters represents a new era for the sorting and naming of animals.

Art for "Evolutionary Math and Just-So Stories"
insights puzzle

Solution: ‘Evolutionary Math and Just-So Stories’

How much stock should we put in mathematical models of evolution that have not been validated by rigorous empirical data?

Thaumatophyllum bipinnatifidum leaf
botany

DNA Analysis Reveals a Genus of Plants Hiding in Plain Sight

Gene-sequence data is changing the way that botanists think about their classification schemes. A recent name-change for a common houseplant resulted from the discovery that it belonged in an overlooked genus.

Art for "Evolutionary Math and Just-So Stories"
insights puzzle

Evolutionary Math and Just-So Stories

Evolutionary stories like the grandmother hypothesis are easy to construct from mathematical models, but how well do they reflect reality?

Abstractions blog

How Insulin Helped Create Ant Societies

Evolution may have coopted an ancient metabolic mechanism to set social insects on the path toward one of the most puzzling behaviors found in nature.

Abstractions blog

Why Nature Prefers Couples, Even for Yeast

Some species have the equivalent of many more than two sexes, but most do not. A new model suggests the reason depends on how often they mate.