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With nearly 55 million students, teachers and school staff about to return to elementary and secondary school classrooms, scientists today described a new hand-held sensor ― practical enough for wide use ― that could keep classroom air fres…
(Phys.org)—Scientists at the University of Cambridge have produced hydrogen, H2, a renewable energy source, from water using an inexpensive catalyst under industrially relevant conditions (using pH neutral water, surrounded by atmospheric oxygen, O2,…
Researchers have created a new type of biosensor that can detect minute concentrations of glucose in saliva, tears and urine and might be manufactured at low cost because it does not require many processing steps to produce.
New born human infants have the largest brains among primates, but also the highest proportion of body fat. Before birth, if the supply of nutrients from the mother through the placenta is limited or unbalanced, the developing baby faces a dilemma: sho…
Skeletal muscle degeneration in Duchenne muscular dystrophy (DMD) is worsened by stiffening of the microtubule cytoskeleton that provide structure inside muscle cells.
The rate of extinction of freshwater fishes in North America is estimated to be 877 times the historical background rate. Thirty-nine species have gone extinct since the end of the 19th Century. Between 53 and 86 species are likely to have gone extinct…
The greatest climate change the world has seen in the last 100,000 years was the transition from the ice age to the warm interglacial period. New research indicates that, contrary to previous opinion, the rise in temperature and the rise in the atmosph…
Scientists in working in Western Greenland have found evidence of an asteroid or comet impact early in the Earth’s history. At three billion years old, the crater is a billion years older than the previously oldest known crater.
New research shows some of the steepest mountain slopes in the world got that way because of the interplay between terrain uplift associated with plate tectonics and powerful streams cutting into hillsides, leading to large landslides.
Women with Alzheimer’s show worse mental deterioration than men with the disease, even when at the same stage of the condition, according to new research.
Stroke is the fourth leading cause of death and a common cause of long-term disability in the United States, but doctors have very few proven treatment methods. Now a new device that mechanically removes stroke-causing clots from the brain is being hai…
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