Uncategorized
-
AstronomyBack to the Beginning: Hubble’s infrared camera goes the distance
Using the Hubble Space Telescope, researchers have identified 26 galaxies that may be the youngest and most distant known.
By Ron Cowen -
Expanding the Code: Engineered bacteria are genetic rebels
Researchers have created a bacterium that can incorporate artificial amino acids into their proteins.
-
Toddlers’ Supersize Mistakes: At times, children play with the impossible
Toddlers will sometimes try to climb into a toy car or otherwise treat small objects as if they were large ones, possibly because their brains occasionally fail to integrate visual information about object size with object identity.
By Bruce Bower -
19418
I can pretty easily tell what was going through the kiddo’s mind while trying “in vain to scoot down a miniature slide.” 1. “Slides are fun. Why not pretend to slide on a toy slide to get the feeling you get from the real one?” 2. “Wow, I’m big now. I’ll prove it.” So, perhaps […]
By Science News -
PhysicsHoley Water: Punctured fluid stays riddled
Extreme vibrations and high concentrations of tiny particles, such as cornstarch, in water can create holes in the liquid.
By Peter Weiss -
EarthUnderwater Pavement: Asphalt deposits cover parts of Gulf of Mexico
Explorations of the seafloor in the southern Gulf of Mexico have revealed lavalike flows of asphalt that are home to a thriving ecosystem of microbes, mussels, tubeworms, and crabs.
By Sid Perkins -
Health & MedicineBad Break: Homocysteine may weaken bones
Elderly people with elevated concentrations of the amino acid homocysteine in their blood are more likely to break bones than are people with low amounts.
By Nathan Seppa -
PaleontologyFossil confirms that early arthropods molted
A 505-million-year-old fossil provides hard proof of that ancient arthropods shed their exoskeletons during growth, just as their modern relatives do.
By Sid Perkins -
TechDiagnostic gadget mixes and matches all in one
Researchers have fabricated a miniature diagnostic lab that can detect disease-linked genes in a small sample of whole blood.
-
HumansPlan B ruling is prescription for controversy
Contravening a recent recommendation from one of its advisory panels, the Food and Drug Administration denied an application to make the emergency contraceptive known as Plan B available without a doctor's prescription.
By Ben Harder -
Health & MedicineNanoparticles could mark spots for surgery
A new molecule studded with magnetically active ions may soon help surgeons extract, with minimal cutting, lymph nodes likely to harbor cancer.
By Ben Harder -
EarthBoats puff up outdoor carbon monoxide risk
Large congregations of motorboats can produce enough carbon monoxide gas in open air to be hazardous to people.
By Ben Harder