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Biology

Abstractions blog

The Downside to Neanderthal DNA

How interbreeding among early hominins harmed humans but may have slowed the Neanderthals’ decline.

Native Tibetans make use of a gene derived from Denisovans to stay healthy at high altitudes.
evolution

How Neanderthal DNA Helps Humanity

Neanderthals and Denisovans may have endowed modern humans with genetic variants that helped them thrive in new environments.

Ashley Mackenzie for Quanta Magazine
neuroscience

New Evidence for the Necessity of Loneliness

A specific set of neurons deep in the brain may motivate us to seek company, holding social species together.

genetics

A Secret Flexibility Found in Life’s Blueprints

A new study reveals that individual genes can create many different versions of the molecular machinery that powers the cell.

Q&A

The Evolutionary Argument Against Reality

The cognitive scientist Donald Hoffman believes that evolution and quantum mechanics conspire to make objective reality an illusion.

neuroscience

Mapping the Brain to Build Better Machines

A project to decipher the brain’s learning rules could revolutionize machine learning.

synthetic biology

In Newly Created Life-Form, a Major Mystery

Scientists have created a synthetic organism that possesses only the genes it needs to survive. But they have no idea what roughly a third of those genes do.

neuroscience

The Beasts That Keep the Beat

New insights from neuroscience — aided by a small zoo’s worth of dancing animals — are revealing the biological origins of rhythm.

Q&A

In Warm, Greasy Puddles, the Spark of Life?

The biologist David Deamer proposes that life evolved from a collection of interacting molecules, probably in a pool in the shadow of a volcano.