News
- Paleontology
T. rex’s incredible biting force came from its stiff lower jaw
T. rex could generate incredibly strong bite forces thanks to a boomerang-shaped bone that stiffened the lower jaw, a new analysis suggests.
- Climate
Mangrove forests on the Yucatan Peninsula store record amounts of carbon
Dense tangles of roots and natural water-filled sinkholes join forces to stockpile as much as 2,800 metric tons of carbon per hectare in the soil.
- Microbes
These climate-friendly microbes recycle carbon without producing methane
A newly discovered group of single-celled archaea break down decaying plants without adding the greenhouse gas methane to the atmosphere.
- Astronomy
Saturn has a fuzzy core, spread over more than half the planet’s diameter
Analysis of a wave in one of Saturn’s rings has revealed that the planet’s core is diffuse and bloated with lots of hydrogen and helium.
- Life
Some viruses thwart bacterial defenses with a unique genetic alphabet
DNA has four building blocks: A, C, T and G. But some bacteriophages swap A for Z, and scientists have figured out how and why they do it.
- Anthropology
A child’s 78,000-year-old grave marks Africa’s oldest known human burial
Cave excavation of a youngster’s grave pushes back the date of the first human burial identified in the continent by at least a few thousand years.
- Space
A rare glimpse of a star before it went supernova defies expectations
A hydrogen-free supernova in a nearby galaxy appears to have come from an unusual source.
- Health & Medicine
How a small city in Brazil may reveal how fast vaccines can curb COVID-19
Almost all adults in Serrana, Brazil, got COVID-19 shots. That may help answer questions about how well vaccines will work to end the pandemic.
- Health & Medicine
Here’s what breakthrough infections reveal about COVID-19 vaccines
Studies analyzing vaccinated people in the real world show that COVID-19 vaccines are extremely effective, but experts are keeping an eye on variants.
- Health & Medicine
Meet three moderators fighting disinformation on Reddit’s largest coronavirus forum
Science News spoke with volunteers about what it takes to correct misinformation online during a pandemic.
- Health & Medicine
The surge in U.S. coronavirus cases shows a shift in who’s getting sick
Younger, unvaccinated people are a rising share of COVID-19 cases, raising concerns anew that lack of vaccine access may hit minority populations hard.
- Agriculture
Nanoscale nutrients can protect plants from fungal diseases
Applied to the shoots, nutrients served in tiny metallic packages are absorbed more efficiently, strengthening plants’ defenses against fungal attack.
