Uncategorized
- Science & Society
Nobels go to maps, LEDs, microscopy
The 2014 Nobel Prizes in chemistry, physics and physiology or medicine went to discoveries that defy single-discipline labels.
- Astronomy
Nearby galaxy might explain what tore apart universe’s hydrogen
A local galaxy is leaking enough ultraviolet light to ionize surrounding hydrogen, which could explain how the earliest galaxies transformed the universe.
- Health & Medicine
Impotence drug boosts insulin in some with diabetes
A drug called yohimbine lets some people with diabetes secrete more insulin by stopping pancreas cells from binding adrenaline molecules.
- Genetics
Yeast smell underpins partnership with fruit flies
Yeast make fruity aromas that draw flies, which disperse the fungi. Researchers reveal the gene that underpins the mutually beneficial relationship.
- Animals
Rattlesnakes tutor robot on dune climbing
Snakes sidewinding up sand inspire design improvements for robots navigating treacherous slopes.
By Susan Milius - Chemistry
Microscopy providing ‘window into the cell’ wins chemistry Nobel
Three scientists use fluorescence and lasers to see single molecules and other tiny objects.
By Beth Mole and Meghan Rosen - Astronomy
High-energy radiation from stellar explosions explained
The dance of a stellar duo might explain why some novas emit gamma rays.
- Archaeology
Indonesian stencils rival age of Europe’s early cave art
Hand prints outlined in pigment were made in Southeast Asia at least 39,900 years ago, making the paintings about the same age as European cave art.
By Bruce Bower - Paleontology
Plant-eating dinosaurs coexisted by munching different vegetation
Differences in skulls allowed sauropods to coexist in an arid landscape by enabling the dinosaurs to tackle different plants.
- Materials Science
Blue LEDs win Nobel Prize in physics
Light-emitting diodes have led to more energy-efficient bulbs that are elbowing out incandescents.
By Andrew Grant - Chemistry
Lasers wrest oxygen from carbon dioxide
By zapping oxygen molecules off carbon dioxide, an experiment hints that Earth may have had breathable air long before the dawn of plants.
By Beth Mole - Anthropology
Mysterious foreigner may have ruled ancient Maya kingdom
Bone chemistry suggests one of the early rulers of the Maya kingdom Copan and his retainers had foreign credentials.
By Bruce Bower