Uncategorized
- Tech
Quantum bell rings to electron beat
A new nanoscale transistor that parcels out electrons with metronome-like regularity has the potential to lead to designs for electronic noses and tiny devices inside of cell phones.
- Tech
Crystal listens for telltale sounds of virus
Scientists have built a device that can hear the movement of viral particles in fluids.
By John Travis - Health & Medicine
Hindering glutamate slows rat brain cancer
Compounds that inhibit the amino acid glutamate impede a form of brain cancer called glioma in rats.
By Nathan Seppa - Animals
It’s a snake! No, a fish. An octopus?
An as-yet-unnamed species of octopus seems to be protecting itself by impersonating venomous animals from sea snakes to flatfish.
By Susan Milius -
Human Brains May Take Unique Turn
Preliminary evidence indicates that the human brain may undergo a unique form of fetal development that facilitates the growth of brain areas involved in symbolic thought and language.
By Bruce Bower - Computing
Computer paints a charged bioportrait
By employing a novel computational strategy, researchers have mapped the electrical landscape of biological molecules made up of more than 1 million atoms.
- Math
Pi à la Mode
A potential link between two disparate mathematical fields—number theory and chaotic dynamics—could lead to a proof that every digit of pi occurs with the same frequency.
- Paleontology
New fossil sheds light on dinosaurs’ diet
Vestiges of soft tissue preserved in a 70-million-year-old Mongolian fossil suggest that some dinosaurs could have strained small bits of food from the water and mud of streams and ponds, just like some modern aquatic birds do.
By Sid Perkins - 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.
By Peter Weiss - Health & Medicine
Insulin lowers more than blood sugar
Insulin may reduce inflammation and protect the heart.
By John Travis - Health & Medicine
Healing the heart from within
An unusual mouse strain can regenerate heart tissue when the organ is damaged.
By John Travis - Health & Medicine
Stem cell research marches on
Cells from human embryos can be transformed into heart cells or insulin-secreting cells.
By John Travis