Uncategorized
- Tech
The Seeing Tongue
Blind people can now use their tongues to see, albeit crudely, thanks to prototype technology that involves licking arrays of electrodes attached to video cameras.
- Health & Medicine
Insulin lowers more than blood sugar
Insulin may reduce inflammation and protect the heart.
- Health & Medicine
Healing the heart from within
An unusual mouse strain can regenerate heart tissue when the organ is damaged.
- Health & Medicine
Stem cell research marches on
Cells from human embryos can be transformed into heart cells or insulin-secreting cells.
- Paleontology
Completing a titan by getting a head
When paleontologists unearthed the skeleton of a 70-million-year-old titanosaur in Madagascar in the late 1990s, they also recovered something that had been missing from previous such finds: a skull that matched the body.
- Paleontology
That’s no footprint, it’s got no toes
The impressions near Isona, Spain, long thought to be fossilized dinosaur footprints may actually record the feeding behavior of stingrays.
- Animals
Big woodpeckers trash others’ homes
Pileated woodpeckers destroy in an afternoon the nesting cavities that take endangered red-cockaded woodpeckers 6 years to excavate.
- Animals
When rare species eat endangered ones
To cut down on their salmon smolt catch, Caspian terns were encouraged to move from one island to another in the Columbia River.
- Animals
Oops. New feathers turn out lousy
Going to the trouble of molting doesn't really get rid of a bird's lice after all.
- Animals
Stinking decorations protect nests
The common waxbill's habit of adorning its nests with fur plucked from carnivore scat turns out to discourage attacks from predators.
-
From the August 29, 1931, issue
HUGE GENERATORS YIELD BEAUTY TO PHOTOGRAPHER Throbbing electric generators, the machines that are the heart of the great system supplying light and power to more than 120 millions, are odd and beautiful subjects for the talented photographer. In the picture on the cover, Rittase of Philadelphia has caught the spirit of one of the largest […]
- Tech
Reading Faces
Facial expressions can convey emotional nuances that words fail to communicate. Researcher Terrence Sejnowski has developed a computer program that analyzes images of human faces, purportedly matching the skills of professionals trained to read fleeting expressions of emotion. Learn more in an online article from the Howard Hughes Medical Institute’s HHMI Bulletin and at the […]
