Articles on STEEHM new research

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Modern wolves and dogs both descend from an ancient wolf population that lived alongside woolly mammoths and cave bears. Iza Lyson/500px Prime via Getty Images

Thousands of genomes reveal the wild wolf genes in most dogs’ DNA

Today’s wolves and dogs share a common ancestor. But a deeper look at their genes reveals that interbreeding since dogs were domesticated 20,000 years ago hasn’t been as rare as scientists assumed.
Astrocytes (red) are vital to forming neural connections. Jeffrey C. Smith Lab, National Institute of Neurological Disorders and Stroke/NIH

Star‑shaped cells make a molecule that can ‘rewire’ the brains of mice with Down syndrome – understanding how could lead to new treatments

Down syndrome results in changes to the structure and function of neural circuits in the brain. Delivering a specific protein to neurons could reverse these changes.
Families are increasingly seeking nonmedical exemptions to routine childhood vaccines, making communities more vulnerable to preventable diseases. FatCamera/E+ via Getty Images

Strict school vaccine mandates work, and parents don’t game the system − new research

When states prohibit parents from opting their kids out of vaccines for religious, philosophical or other nonmedical reasons, communities stay better protected against infectious diseases.
Woven fabric is resilient to stress because it tends to bend more than rigid materials before breaking. Jordan Lye/Moment via Getty Images

Woven baskets aren’t just aesthetically pleasing – materials science research finds they’re sturdier and more resilient than stiff containers

3D woven baskets are geometrically sophisticated, with some incredible properties that engineers can use to design materials and technology.
With a little help, your immune cells can be potent tumor killers. Steve Gschmeissner/Science Photo Library via Getty Images

COVID‑19 mRNA vaccines could unlock the next revolution in cancer treatment – new research

The researchers found that mRNA-based COVID-19 vaccines could potentially help patients whose tumors don’t respond well to traditional immunotherapy.
Flux ropes (simulated, right) are structures made up of magnetic field lines wrapping around each other like a rope, that look similar to tornadoes on Earth. NOAA, Mojtaba Akhavan-Tafti and Chip Manchester

‘Space tornadoes’ could cause geomagnetic storms – but these phenomena, spun off ejections from the Sun, aren’t easy to study

Unprecedented simulations show the formation of space tornadoes capable of causing strong geomagnetic storms around Earth, calling for earlier and more accurate warnings.
Hobbits are exceptions to the rule that older ancient humans had proportionally larger wisdom teeth and smaller brains. Jim Watson/AFP via Getty Images

Hobbits of Flores evolved to be small by slowing down growth during childhood, new research on teeth and brain size suggests

New research on the size relationship between brains and wisdom teeth suggests that bigger brains aren’t necessarily the driving force in human evolution.
ATP synthase is an enzyme that has been using phosphate to generate life’s energy for millions of years. Nanoclustering/Science Photo Library via Getty Images

Molecular ‘fossils’ offer microscopic clues to the origins of life – but they take care to interpret

A protein historian and evolutionary biochemist found that a protein sequence present across all known life didn’t form as researchers previously thought it did.

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