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Updated: 2 hours 29 min ago

A library with no books

Sat, 2014-06-14 09:00
The Macaulay Library at Cornell University has no books. Instead, the audio library has been accumulating sound recordings since 1929.
Categories: Science & Math News

A library of tweets (and howls and grunts)

Sat, 2014-06-14 09:00
The Macaulay Library houses a world of animal sounds. And now anyone with an Internet connection can check out this audio collection.
Categories: Science & Math News

Questions for A library of tweets (and howls and grunts)

Sat, 2014-06-14 09:00
SCIENCEBefore reading1)    List as many of the sounds that dogs or cats make as you can. Next to each sound, provide a description of why and when you think the animal makes that sound.2)    Different animals might use sound, sight, smell, taste or touch to communicate. What are some of the advantages of sound over the other communication methods?During reading1)    Where did the Kauai Oo live, and why is it no longer found there?2)    Describe the collections held by the Macaulay Library.3)    What is ornithology?4)    List several of the reasons why animals use sound.5)    Why don’t splendid fairy-wrens stay silent when a butcherbird is around?6)    How did Emma Greig use recordings from the Macaulay Library to learn more about fairy-wrens?7)    In what way are the wolf howls that Holly Root-Gutteridge studied similar to human fingerprints?8)    What is a spectrogram?
Categories: Science & Math News

Native ‘snot’

Fri, 2014-06-13 07:18
The ‘rock snot’ choking rivers may be native algae. Experts blame its sudden and dramatic emergence on changes in Earth’s atmosphere, soils and climate.
Categories: Science & Math News

These prehistoric fliers likely nested together

Thu, 2014-06-12 09:13
Fossils in nest of newfound pterosaur species suggest these animals were part of a social network — and may even have lived communally.
Categories: Science & Math News

Newfound DNA ‘enhancer’ behind many natural blonds

Wed, 2014-06-11 10:09
Some snippets of DNA other than genes play a role in giving some people of European a golden crown of hair.
Categories: Science & Math News

Digital displays get flexible

Tue, 2014-06-10 08:14
Flexible and unbreakable digital displays could soon be for sale, thanks to a new organic transistor made from plastic.
Categories: Science & Math News

Decoding bee dances

Mon, 2014-06-09 08:36
Biologists have started eavesdropping on bees — or their dancing sign language — to identify where these buzzers prefer to forage. This info is pointing to which bee-friendly habitats may be most important to preserve.
Categories: Science & Math News

Digital lighting goes organic

Fri, 2014-06-06 10:30
An environmentally friendly lighting technology promises not only to save energy but also to transform our indoor environment.
Categories: Science & Math News

Questions for Digital lighting goes organic

Fri, 2014-06-06 10:30
SCIENCEBefore reading:1.    A 13-watt compact fluorescent light bulb provides the same amount of light as a traditional 60-watt incandescent light bulb. How much less energy does a compact fluorescent bulb use, expressed as a percentage?2.    Turn on a lamp fitted with a traditional incandescent light bulb. Hold your hand over the bulb. (Be very careful not to touch the actual bulb.) What do you feel? Does that suggest that kind of bulb is efficient or wasteful?During reading:1.    Detail some of the drawbacks to incandescent and fluorescent lighting.2.    What does OLED stand for?3.    Define solid-state.4.    What is inside a fluorescent light?5.    How hot does a tungsten filament glow?
Categories: Science & Math News

Sun sibling spotted

Thu, 2014-06-05 10:19
Separated at birth: Astronomers find a star 110 light-years away. It was born at the same time as our sun and from the same cloud of gas and dust.
Categories: Science & Math News

Trees: Koala air conditioning

Wed, 2014-06-04 15:56
When koalas sprawl over a tree branch, they may not be lazy. They just might be taking advantage of some natural cooling — enough to survive a heat wave.
Categories: Science & Math News

Science stars are on display at the White House

Wed, 2014-06-04 14:57
One hundred students from 30 states participated in the fourth annual White House Science Fair in Washington, D.C.
Categories: Science & Math News

This umbrella ‘listens’ to rain — for science

Tue, 2014-06-03 08:45
Scientists have developed an umbrella that ‘listens’ to falling raindrops. One day, a fleet of such simple rain gauges may help scientists better map weather patterns and changes in Earth’s water supplies.
Categories: Science & Math News

Distant planet may boast the longest year

Mon, 2014-06-02 09:37
On a planet far, far away, a single pass around its sun may seem to last forever.
Categories: Science & Math News

Nifty science

Fri, 2014-05-30 08:51
Inspired research put select high school seniors on the path to the 2014 Intel Science Talent Search finals.
Categories: Science & Math News

Thirst for water moves and shakes California

Thu, 2014-05-29 08:46
Here’s a scary cost to pumping up groundwater to slake the thirst of crops in California’s Central Valley: It may uplift nearby mountains and trigger tiny earthquakes, experts find.
Categories: Science & Math News

Mosquitoes, be gone!

Wed, 2014-05-28 09:00
An extract of local seeds in Puerto Rico may be the key to keeping mosquitoes away. It kills the larval insects and repels the biting adults.
Categories: Science & Math News

Football hits the brain hard

Tue, 2014-05-27 08:35
The brain’s hippocampus helps store memories. It is smaller in college football players — especially if they have suffered concussions.
Categories: Science & Math News

Saving vanishing ‘tongues’

Fri, 2014-05-23 10:12
More than 3,000 world languages face extinction. Linguists are turning to mobile apps and other tech tools to preserve these endangered languages.
Categories: Science & Math News
 

NSF logo This material is based upon work supported by the National Science Foundation under Grant No. DUE-0840824. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.