Uncategorized
- Earth
Climate accord reached
Negotiators, without U.S. representatives' input, resolved controversies in Bonn that were blocking an international treaty to limit greenhouse gases.
-
Deaf kids establish own sign language
Deaf children in Nicaragua display evidence of having created a fully grammatical sign language on their own in under 2 decades.
- Health & Medicine
Synthetic protein may yield malaria vaccine
A molecule patterned after part of the parasite that causes most severe malaria induces a strong immune response in people.
-
Bacteria live inside bacteria in mealybug
In a new twist on how life forms can exploit each other and with implications for how complex cells originated, scientists have discovered one bacterium living inside another.
- Planetary Science
Craft tracks giant dust storm on Mars
The largest dust storm observed on Mars in 25 years is now engulfing the Red Planet.
- Tech
Setting electronics in artificial stone
Electronics components made of Portland cement may one day be part of buildngs and roadways that double as gargantuan sensors or other current-carrying devices.
-
New Antibiotics Take Poke at Bacteria
Small rings of amino acids can self-assemble into tubes that punch holes in bacteria.
- Health & Medicine
Fighting Herself
Autoimmune diseases are more common in women than in men, and researchers are beginning to tease out the cellular mechanisms that may be responsible for this phenomenon.
- Astronomy
A Rocky Bicentennial
Mounting evidence that many asteroids aren't solid rock but collections of loosely bound fragments could have far-reaching implications for elucidating their internal structure, understanding planet formation, and developing strategies to mitigate the threat of one striking Earth.
-
18939
I am writing in response to an article in the July 28 issue, “Having gathered moss, water drops roll.” You should have taken the time to find out that Lycopodium is not a moss. It’s true that a common name for the plant is club moss, but Lycopodium is in the division Lycophyta, sometimes called […]
- Tech
Having gathered moss, water drops roll
A coating of water-repellent powder transforms water droplets into remarkably mobile and resiliant balls, hoops, or peanut-shaped blobs.
- Tech
Biotechnology may fortify U.S. Army
A government-sponsored study says the U.S. Army may benefit from advances in biotechnology during the next 25 years, including sensors that identify soldiers by the food they ate, protein-based computers, near-instant vaccines, and automated wound treatments.
