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All Stories by Sam Lemonick
Chemist tackles complex problems with simplicity
Harvard chemist George Whitesides applies his unique problem-solving philosophy to creating new diagnostic devices for the developing world.
Solar cell powers water-to-hydrogen conversion
High efficiency could make perovskite solar cells useful for generating environmentally friendly fuel.
Hydrogen made using sunlight, cheap materials
Photosynthesis-inspired fuel cell uses water to make hydrogen gas and could feature in next-generation cars.
Liquid salts break through armored bacteria on skin
Compounds called ionic liquids can penetrate bacterial biofilms on skin to deliver antibiotics to potentially life-threatening infections.
Plastic goes missing at sea
A survey of the world’s oceans finds far less polymer trash than expected, and researchers don’t know where the rest of the plastic is.
Science & Society
Outgoing congressman Rush Holt calls scientists to action
The New Jersey physicist has decided not to run for re-election but is a proponent of scientists in office.
Biological fuel cells that generate electricity by harnessing sugars and oxygen in the body may one day power implanted devices in humans and other animals.
To cook up life, just add citrate
The theory that RNA spawned the first organisms gets a boost from a common compound.
Health & Medicine
Fractals can catch cancer
Analyzing shapes of cell borders may prove useful in cancer diagnosis.