Uncategorized
- Math
Chicks do arithmetic
Using the natural inclination of young chickens to cluster in large groups, researchers show that the birds are hatched with a numerical sense.
- Life
Genes help monarchs migrate
At least 40 genes help monarch butterflies find their way to overwintering sites in Mexico.
- Health & Medicine
Parasites hinder immunity against cholera
Harboring intestinal parasites seems to limit a person’s ability to fend off cholera, a new study conducted in Bangladesh shows.
- Life
Louse-y genome surprise
Blood-sucking body lice have an odd arrangement of mitochondrial genes.
- Health & Medicine
Autism immerses 2-year-olds in a synchronized world
By age 2, kids with autism focus on synchronized physical events, such as a person’s moving lips accompanied by sounds, rather than on eye movements and other social cues, a new study suggests.
- Tech
Urban Heat: Recycling waste heat
In the United States, only about one-eighth of the fuel people burn is converted into useful work. Recycling such wasted heat could be one of the best solutions to problems posted by growing cities.
-
-
Book Review: Professor Stewart’s Cabinet of Mathematical Curiosities by Ian Stewart
Review by Elizabeth Quill.
-
Life in Space: Astrobiology for Everyone by Lucas John Mix
How the search for extraterrestrial life helps us understand Earth. Harvard Univ., 2009, 344 p., $29.95. Life in Space: Astrobiology for Everyone by Lucas John Mix
-
Urban heat
Cities sizzle as more people move in.
-
Building Beauty
Deconstructing flowers yields the secrets of petals, scents and hue.
- Astronomy
Planck by Planck
The launch of the European Space Agency’s Planck mission, set for late April or early May, will put into orbit a new tool —the microwave equivalent of polarized sunglasses — that may offer a view of the dawn of time.
