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Insects Conquered a Watery Realm With Just Two New Genes

October 19, 2017

Minor genetic changes can have big evolutionary consequences. When a gene duplication gave some water striders a novel leg part, it opened up a new world for them.

Simple Bacteria Offer Clues to the Origins of Photosynthesis

October 17, 2017

Studies of the energy-harvesting proteins in primitive cells suggest that key features of photosynthesis might have evolved a billion years earlier than scientists thought.

Supercool Protein Imaging Gets the Nobel Prize

October 4, 2017

This year’s Nobel Prize in Chemistry goes to researchers who made it possible to see proteins and other biomolecules at an atomic level of detail.

Nobel Prize Awarded for Biological Clock Discoveries

October 2, 2017

Three U.S. biologists share the Nobel Prize in Medicine for their research into the molecular mechanism that drives circadian rhythm.

Why the First Drawings of Neurons Were Defaced

September 28, 2017

Every exquisite drawing by Santiago Ramón y Cajal, the founder of modern neuroscience, is marred by a curious mark. Here is the little-known story behind it.

Genetic Struggles Within Cells May Create New Species

September 27, 2017

Mitonuclear conflict — a struggle between the genes in a cell’s nucleus and its mitochondria — might sometimes split species in two.

Genetics Spills Secrets From Neanderthals’ Lost History

September 18, 2017

How many Neanderthals were there? Archaeology and genetics have given very different answers. A new study reconciles them and reveals the lost history of these ancient people — including an early brush with extinction.

Viruses Would Rather Jump to New Hosts Than Evolve With Them

September 13, 2017

The discovery that viruses move between species unexpectedly often is rewriting ideas about their evolutionary history — and may have troubling implications for the threat from emerging diseases.

Bacteria Use Brainlike Bursts of Electricity to Communicate

September 5, 2017

With electrical signals, simple cells organize themselves into complex societies and negotiate with other colonies.

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