News
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- Paleontology
Birds’ ancestors had small genomes too
Among mammals, reptiles, and related animals, today's birds have the smallest genomes, and the dinosaurs that gave rise to birds had small genomes as well.
By Sid Perkins - Planetary Science
Radar probes frozen water at Martian pole
If all the frozen water stored near the south pole of Mars suddenly melted, it would make a planetwide ocean 11 meters deep.
By Ron Cowen - Math
Big prize for unlikely research
A New York University mathematician has won one of the highest prizes in mathematics for figuring out the likelihood of unlikely events.
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How smart are amoebas?
Amoebas seem to possess a rudimentary form of memory that keeps them from walking around in circles.
- Plants
Old plants were lost in the grass
An obscure family of plants long thought to be relatives of grasses turns out to represent one of the most ancient surviving lineages of flowering plants.
By Susan Milius - Health & Medicine
Working in a cotton mill has bright side
People who work amid bales of raw cotton are less likely to get lung cancer than are people in the general population, a study of Chinese women indicates. While past research has shown that workers in a cotton mill tend to develop shortness of breath, chronic cough, and other health problems, some scientists also noted […]
By Nathan Seppa -
Feeling Right from Wrong: Brain’s social emotions steer moral judgments
A new study of people who suffered damage to a brain area involved in social sentiments supports the notion that emotional, intuitive reactions typically guide decisions about moral dilemmas.
By Bruce Bower -
Not So Wimpy: Antimalarial mosquito has an edge in tests
For the first time, mosquitoes engineered to resist malaria have shed their underbug image and outperformed regular mosquitoes in a lab test.
By Susan Milius - Planetary Science
Solar-staring spacecraft shows its flare
A new image of the sun's chromosphere, a layer sandwiched between the sun's visible surface and its outer atmosphere, shows a surprisingly complex structure of filaments of roiling gas that promises to shed new light on why the sun erupts.
By Ron Cowen - Health & Medicine
Balancing Act: Excess steroids during pregnancy may pose risks for offspring
Heavy amounts of steroids taken during pregnancy can have long-term deleterious effects on offspring, a study of monkeys shows.
By Nathan Seppa - Health & Medicine
Risky Flames: Firefighter coronaries spike during blazes
A disproportionate number of heart disease deaths among firefighters occur during blazes.
By Brian Vastag