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How to Grow Metal-Eating Microbes
Metal-eating microbes get energy from rocks and could teach us about life on other worlds — but first scientists had to learn how to grow them in the lab.
New Life Found That Lives Off Electricity
Scientists have figured out how microbes can suck energy from rocks. Such lifeforms might be more widespread than anyone anticipated.
Interstellar Find Adds Life to Old Debate
Figuring out how these molecules form in the deep recesses of interstellar space might illuminate the origins of one of life’s distinguishing features.
The Downside to Neanderthal DNA
How interbreeding among early hominins harmed humans but may have slowed the Neanderthals’ decline.
How Neanderthal DNA Helps Humanity
Neanderthals and Denisovans may have endowed modern humans with genetic variants that helped them thrive in new environments.
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.
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.
The Evolutionary Argument Against Reality
The cognitive scientist Donald Hoffman believes that evolution and quantum mechanics conspire to make objective reality an illusion.
Mapping the Brain to Build Better Machines
A project to decipher the brain’s learning rules could revolutionize machine learning.