My Picks From ScienceDaily

Female Concave-eared Frogs Draw Mates With Ultrasonic Calls:

Most female frogs don't call; most lack or have only rudimentary vocal cords. A typical female selects a mate from a chorus of males and then --silently -- signals her beau. But the female concave-eared torrent frog, Odorrana tormota, has a more direct method of declaring her interest: She emits a high-pitched chirp that to the human ear sounds like that of a bird.

Math Plus 'Geeky' Images Equals Deterred Students:

Images of maths 'geeks' stop people from studying mathematics or using it in later life, shows new research.

Kids Think Eyeglasses Make Other Kids Look Smart:

Young children tend to think that other kids with glasses look smarter than kids who don't wear glasses, according to a new study.

Genetics Confirm Oral Traditions Of Druze In Israel:

DNA analysis of residents of Druze villages in Israel suggests these ancient religious communities offer a genetic snapshot of the Near East as it was several thousands of years ago.

Worms Triple Sperm Transfer When Paternity Is At Risk:

Scientists used to think that hermaphrodites, due to their low position in the evolutionary scale, did not have sufficiently developed sensory systems to assess the "quality" of their mates. A new work has shown, however, that earthworms are able to detect the competition by fertilising the eggs that is going to find its sperm, tripling its volume when there is rivalry. This ability is even more refined as they are able to transfer more sperm to more fertile partners.

Fish Diet To Avoid Fights With Slightly Larger Rivals:

People diet to look more attractive. Fish diet to avoid being beaten up, thrown out of their social group - and getting eaten as a result.

What Does The Label On Your Chicken Really Mean?:

Buying chicken these days is not like it used to be. With labels like "100 percent natural," "organic," "grain-fed," and "free range," many consumers don't really know what they're buying.

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Greenland's Constant Summer Sunlight Linked To Summer Suicide Spike: Suicide rates in Greenland increase during the summer, peaking in June. Researchers speculate that insomnia caused by incessant daylight may be to blame. Karin Sparring Björkstén from the Karolinska Institutet, Sweden, led a…
Confessions of a Community College Dean: False Economies "[S]elf-defeating efforts at cost control" See also "deferred maintenance." (tags: academia economics stupid politics) Maths plus 'geeky' images equals deterred students This week, in the Journal of Unsurprising Results. (tags: math…