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Latest National Academy of Sciences Stories

2014-03-04 14:02:17

The surface of the sea takes up nitrogen oxides that build up in polluted air at night, new measurements on the coast of southern California have shown.

2014-03-04 14:00:07

A comprehensive new study of global food supplies confirms and thoroughly documents for the first time what experts have long suspected: over the last five decades, human diets around the world have grown ever more similar—by a global average of 36 percent—and the trend shows no signs of slowing, with major consequences for human nutrition and global food security.

2014-03-04 13:42:21

People's racial prejudices are influenced by where they live.

2014-02-27 18:33:27

By re-engineering a tiny chain of amino acids in one type of dengue virus, Ralph Baric and Aravinda de Silva discover a new path toward solving the dengue vaccine dilemma.

2014-02-18 13:46:43

Teenage boys who show a combination of depressive symptoms and elevated levels of the 'stress hormone' cortisol are up to fourteen times more likely to develop major depression than those who show neither trait.

2014-02-18 13:43:42

High levels of the stress hormone cortisol may contribute to the risk aversion and 'irrational pessimism' found among bankers and fund managers during financial crises.

2014-02-07 13:15:15

A team of researchers led by Virginia Tech and University of California, Berkeley, scientists has discovered that a regulatory process that turns on photosynthesis in plants at daybreak likely developed on Earth in ancient microbes 2.5 billion years ago, long before oxygen became available.

2014-01-28 12:20:14

Drugs used to treat HIV penetrate poorly into lymphatic tissues where most HIV replication takes place and there is persistent low-level virus replication in these tissues according to research from the University of Minnesota and University of Nebraska Medical Center.

2014-01-21 10:24:45

Researchers from the Icahn School of Medicine at Mount Sinai have identified a new molecular mechanism by which cocaine alters the brain's reward circuits and causes addiction.

2014-01-21 10:23:07

Chinese air pollution blowing across the Pacific Ocean is often caused by the manufacturing of goods for export to the U.S. and Europe.


Word of the Day
megalophonous
  • Having a loud voice; vociferous; clamorous.
  • Of grand or imposing sound.
The word 'megalophonous' comes from Greek roots meaning 'big' and 'sound'.