Chemistry
Scientists hypothesize that iron may have played an essential role for life during Earth's childhood.
International Space Station experiments are tackling major illnesses.
Some researchers see benefits; others fear unintended consequences.
Easily collected biomolecules can help track stress levels during pregnancy.
Silicon-based material might prove useful in electronics, but multiple teams are claiming credit for creating it first.
A nanoparticle capsule that can remove heavy-metal substances from water, milk, juice or other liquids.
Friday was the first day of the Sloan Sports Analytics Conference and a fascinating day.
Can the patient be treated with an antidote, or can only a transplant save a life?
Increasing acidity in the world’s oceans could pose a greater threat to marine life than warming waters.
Most groundwater contamination problems are not unique to hydraulic fracturing.