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origins of life
Starfish Whisperer Develops a Physical Language of Life
Nikta Fakhri is adapting and extending concepts from physics to describe how tiny biological components give rise to living organisms.
Inside Ancient Asteroids, Gamma Rays Made Building Blocks of Life
A new radiation-based mechanism adds to the ways that amino acids could have been made in space and brought to the young Earth.
A Biochemist’s View of Life’s Origin Reframes Cancer and Aging
The biochemist Nick Lane thinks life first evolved in hydrothermal vents where precursors of metabolism appeared before genetic information. His ideas could lead us to think differently about aging and cancer.
Life’s First Peptides May Have Grown on RNA Strands
RNA and peptides coevolving in the primordial world might have jointly served as a precursor to the modern ribosome.
In Test Tubes, RNA Molecules Evolve Into a Tiny Ecosystem
When researchers gave a genetic molecule the ability to replicate, it evolved over time into a complex network of “hosts” and “parasites” that both competed and cooperated to survive.