Earth
We summarize the week's scientific breakthroughs every Thursday.
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- Climate
Carbon dioxide not to blame in ice age mystery
Scientists look at seafloor sediments to determine that a long-term decline in carbon dioxide is not the reason for less frequent ice ages.
- Earth
White House releases report on climate change
A new White House report addresses current and projected impacts of climate change across the United States.
- Planetary Science
Solar system’s future could be bumpy
A new study assesses the chances that two planets will collide or a planet will plunge into the sun in the next 5 billion years.
- Health & Medicine
Hospitals’ drug problem
Hospitals often don't know pharmaceutical-waste rules, and even those that do often release huge quantities of drugs into the environment.
- Earth
The Maine way to get rid of drugs
Maine residents can soon send away old and unwanted drugs for free, "green" disposal.
- Earth
When the Great Lakes were lower
New archaeological evidence shows signs of prehistoric hunting and other human activities on now-submerged portions of Lake Huron.
- Earth
Unexplained atmospheric chemistry detected
A field study in China reveals an unusually high and unexplained production of hydroxyl radicals.
- Agriculture
Pesticide may seed American infant formulas with melamine
An insecticide may underlie traces of melamine, a toxic constituent of plastics and other materials, now being found in infant formulas.
- Climate
Cultivation changed monsoon in Asia
The loss of forests in India, China during the 1700s led to a decline in monsoon precipitation.
- Health & Medicine
Pancreatic cancer linked to herbicides
Featured blog: Some weed killers may need to be treated with more respect.
- Earth
Phytoliths as climate clues
Tiny silica plant structures from soil could track temperature changes.
