Earth
- Climate
Winter birds shift north
More than 170 common North American species are wintering farther north than they did in the past.
- Ecosystems
Flowering plants welcome other life
When angiosperms diversified 100 million years ago, they opened new niches for ants, plants and frogs.
- Earth
California may yet get the first greenhouse gas limits for cars
President Obama decides to revisit a controversial decision made less than a year ago by his predecessor.
- Humans
Federal R&D downturn preceded ‘08 economic crash
Federal R&D spending looks grim — until you compare it to the U.S. economy in general.
- Earth
Animal ancestors may have survived ‘snowball Earth’
Chemical fossils in Precambrian sedimentary rock push back the first date for animal life.
- Humans
On Science & the Fearsome OMB
President Obama has directed federal budget masters to put public interests first when they review proposed regulations.
- Chemistry
Nonstick chemicals linked to infertility
Featured blog: Infertility doubled in women who had high concentrations of commercially produced nonstick chemicals polluting their blood.
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- Earth
‘Science fraud’ alleged in urban lead incident
Virginia engineer charges data were buried or manipulated to hide the lead-poisoning implications to children of water contamination in the nation's capital.
- Earth
Toxic Lead: Watch Out for Schools
Schools may present the "worst case" for encountering lead-tainted water, an engineer reports finding.
- Earth
Water-cleanup experiment caused lead poisoning
Featured blog: Lead concentrations spiked in many children living in the nation's capital after the local water authority altered the treatment used to disinfect drinking water.
- Health & Medicine
Overly Hungry for Frogs
Frogs are shipped half-way round the world to sate human appetites for this lean white meat.
