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A Vaccine for Alzheimer's Disease?
Mouse experiments have raised hopes for a vaccine and treatment for
Alzheimer's disease.
Drug to treat flu also protects
against it
Zanamivir, an antiviral medication that can be inhaled as a powder,
reduces the number of flu cases even among young people who have been
vaccinated.
Seabed yields mark of nearby supernova
Deep-sea sediment yields the first physical evidence of a supernova
having recently exploded near Earth, just 5 million years ago.
Vitamin C's stretch
Vitamin C supplements can help restore a healthy stretchiness to blood
vessels in people with coronary artery disease.
Even ants suffer superpests in big farms
Just like farmers' huge, one-crop operations, the biggest fungus gardens
tended by ants are especially vulnerable to specialized weeds.
How dishwashers pollute the indoor air
Gallon for gallon, automatic dishwashers put more toxic chemicals into
indoor air than any other home source of waterborne pollutants.
All-plastic lights for a lightweight glow
An all-polymer light-emitting device takes researchers one step closer
to making cheap, lightweight displays completely out of plastic.
Quenched fire found in Greenland ice
Deeply buried ice provides evidence of an ancient western U.S. eruption.
The Bitter End
Enticing agricultural pests to their last repast
Federal scientists are combining pesticides with substances that, to
people, taste bitter but to crop pests have flavor to die for.
News Flash: Astronomers Demystify Gamma-Ray Bursts
Brightest lights may herald the birth of black holes
Gamma-ray bursts, the very brightest events in the cosmos, may signal
creation of the very darkest objects.
Biology
Damselfly nightlife has its own traditions
Rubyspot damselflies roost at night in familiar places.
What color is your carnivore?
The marks on a carnivore's face may give clues to its evolutionary history.
Biomedicine
Device could end diabetes pinpricks
A watchlike device that measures glucose by monitoring moisture absorbed
from the skin might someday replace the finger-stick blood tests done
by many people with diabetes.
Diabetes patients skipping aspirin
Many diabetes patients don't take an aspirin a day, even though they
are at risk for heart disease.
Type 2 diabetes appearing in youths
Type 2 diabetes, once called adult-onset diabetes, is showing up in
overweight children.
Materials Science
Strong metal parts made by microwaving
Microwave heating can provide a fast, inexpensive way to make metal
parts with superior mechanical properties.
Juice put the bounce in ancient rubber
Mesoamericans made latex into rubber 3,500 years ago using a chemical
process similar to modern vulcanization.
