News tagged with dusk
Jamaican lizards' shows of strength mark territory at dawn, dusk
Biology /
Aug 27, 2008 |
4.3 / 5 (3) |
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What does Jack LaLanne have in common with a Jamaican lizard? Like the ageless fitness guru, the lizards greet each new day with vigorous push-ups. That's according to a new study showing that male Anolis ...
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MESSENGER team releases first global map of mercury
Space & Earth / Space Exploration
Dec 15, 2009 |
5 / 5 (7) |
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(PhysOrg.com) -- NASA's MESSENGER mission team and cartographic experts from the U. S. Geological Survey have created a critical tool for planning the first orbital observations of the planet Mercury - a global ...
Review: A riff on robotics with self-tuning guitar
Electronics / Consumer & Gadgets
Nov 25, 2009 |
3.8 / 5 (10) |
5
(AP) -- New cars have been tuning themselves for the better part of two decades now, so it should feel less impressive that Gibson has built a guitar that can smoothly do the same.
W. Africa's last giraffes make surprising comeback
Nov 08, 2009 |
not rated yet |
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(AP) -- A crisp African dawn is breaking overhead, and Zibo Mounkaila is on the back of a pickup truck bounding across a sparse landscape of rocky orange soil.
New pattern in our biological clock overturns long-held theory
Oct 08, 2009 |
4.9 / 5 (22) |
4
(PhysOrg.com) -- University of Michigan mathematicians and their British colleagues say they have identified the signal that the brain sends to the rest of the body to control biological rhythms, a finding that overturns ...
Fruit fly sperm makes females do housework after sex
Sep 30, 2009 |
5 / 5 (1) |
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The sperm of male fruit flies are coated with a chemical 'sex peptide' which inhibits the female's usual afternoon siesta and compels her into an intense period of foraging activity.
Migrating birds chill to fatten up
Sep 11, 2009 |
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Marathon runners are famed for pasta packing in the days before a big run but when tiny passerine birds set out on their epic migrations, the distances are too great to cover on the energy reserves with which they embark. ...
Biological clocks of insects could lead to more effective pest control
Aug 12, 2009 |
5 / 5 (2) |
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Researchers at Oregon State University have discovered that the circadian rhythms or biological "clocks" in some insects can make them far more susceptible to pesticides at some times of the day instead of ...
Scientists explain why birds get sex on the brain in the Spring
Aug 07, 2009 |
5 / 5 (1) |
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(PhysOrg.com) -- Oxford University researchers have discovered how birds sense the lengthening days of early Spring and time when they breed, solving a 70-year mystery.
There is more to bats' vision than meets the eye
Jul 28, 2009 |
5 / 5 (1) |
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The eyes of nocturnal bats possess two spectral cone photoreceptor types for daylight and colour vision. Reporting in the open-access, peer-reviewed journal PLoS ONE, scientists at the Max Planck Institute for Br ...
OLED Tunes its Colors for Sunlight-Style Illumination
Jul 16, 2009 |
5 / 5 (39) |
15
(PhysOrg.com) -- Scientists have developed a lighting device that can change its color temperature throughout the day, matching the natural daylight chromaticities produced by the sun. Currently, no other ...
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