Uncategorized
- Humans
Nobel Celebrations
A firsthand account unveils the pageantry that surrounds the awarding of the Nobel prizes in Stockholm.
- Astronomy
The Hole Story
New evidence suggests that supermassive black holes have an impact on the evolution of galaxies that goes far beyond their gravitational grasp.
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- Humans
Puzzle of the Week
Eager to exercise your mind and join in a friendly puzzle-solving competition? Try the weekly challenge at the new PuzzleUp Web site, created by Emrehan Halici, a software and game developer in Turkey. Go to: http://www.puzzleup.com/
- Health & Medicine
Phage Attack: Antibacterial virus might suppress cholera
Bacteria-attacking viruses that infect bacteria hold cholera bacteria in check throughout most of the year except during the rainy season when these viruses become diluted.
- Animals
Crow Tools: Hatched to putter
The New Caledonian crow is the first vertebrate to be shown definitively to have an innate tendency to make and use tools, according to researchers who doubled as bird nannies.
- Earth
Living in a Fog: Secondhand smoke may dull kids’ wits
Millions of U.S. children may have reading deficits because of exposure to secondhand tobacco smoke.
- Health & Medicine
Not to Your Health: New mechanism proposed for alcohol-related tumors
New findings suggest that alcohol encourages blood vessels to invade tumors, supplying nutrients that promote tumor growth.
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Hands-on Math Insights: Teachers’ mismatched gestures boost learning
As teachers instruct a child, they typically use their hands as well as their voices, but only certain gestures pack a powerful educational punch.
- Paleontology
Reptilian Repast: Ancient mammals preyed on young dinosaurs
Two nearly complete sets of fossilized remains from 130-million-year-old rocks are revealing fresh details about the size and dietary habits of ancient mammals, hinting that some of these creatures were large enough to feast on small dinosaurs.
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19504
I was disappointed in news coverage of this dinosaur find in China. Science News and others ran an illustration with an obvious mistake. Unless the newly discovered mammal, Repenomamus giganticus, and its smaller cousin, Repenomamus robustus, were unique animals, they did not have legs that emerged from their sides giving them a sprawling, reptilian body […]
- Math
When Laziness Pays: Math explains how cooperation and cheating evolve
Researchers have developed a mathematical model that helps explain how cooperation and cheating evolve among simple organisms.
