Dr. Pierre Legagneux (University of Quebec in Rimouski, Canada) and Dr. Simon Ducatez (McGill University, Canada) published a new study in Biology Letters suggesting that birds judge the speed limit of cars to determine when to take flight. In areas with higher speed limits, birds were observed to take off sooner than areas with lower posted speed limits.
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As you've hopefully all heard by now, the Mars Phoenix lander made a perfect
landing over the weekend, and is already returning images. NASA managed to not
only achieve a perfect landing, but to use Mars reconnaissance orbiter to catch a
"The fact that gravitational damping is measured at all is a strong indication that the propagation speed of gravity is not infinite. If the calculational framework of general relativity is accepted, the damping can be used to calculate the speed, and the actual measurement conf
A reader sent me a really wonderfully wacko link. It's a fundamentalist islamic site, which tries to use relativity to argue for the divinity of the Koran. It's remarkably silly.
So, the previous post poses a physics question based on some previous fooling around with modeling my commute:
I am generally interested in science that has to do with health. Your post has me thinking about the whole nature v. nurture argument. If these birds are reacting to the environment, how can we use this knowledge to predict how best to address weight issues caused by the environment. (The social environment, that is)
http://rtlw.blogspot.com/
September 7, 2013
It is said that pigeons were used for sending letters to places during ancient times, which indicates their abilities to memorise specific places. This study would help us to explore the hidden abilities of birds.