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- How bats 'hear' objects in their path
- Q+A: How does Egypt's parliamentary election system work?
- Wondering How Much It Costs To Get The Pros To Light Up Your Home For The Holidays?
- Want to trade in global stock markets? Read this
- Frazier: Vikings coaches need better communication
| How bats 'hear' objects in their path Posted: 28 Nov 2011 07:28 PM PST By placing real and virtual objects in the flight paths of bats, scientists have shed new light on how echolocation works. The researchers found that it is not the intensity of the echoes that tells the bats the size of an object but the 'sonar aperture', that is the spread of angles from which echoes impinge on their ears. |
| Q+A: How does Egypt's parliamentary election system work? Posted: 29 Nov 2011 03:18 AM PST (Reuters) - Egyptians voted Monday and Tuesday in the first free parliamentary election in decades after a popular uprising ended President Hosni Mubarak's 30-year rule in February. Below are some questions and answers about how voting works and what is at stake: WHAT'S UP FOR GRABS? The staggered vote that started Monday is to fill 498 seats in the lower house. The last run-off vote will take ... |
| Wondering How Much It Costs To Get The Pros To Light Up Your Home For The Holidays? Posted: 28 Nov 2011 09:58 AM PST It's the most wonderful time of the year, unless you're the one assigned the task of untangling the lights, balancing on the ladder and spending hours hanging and rearranging your home's exterior holiday decorations. |
| Want to trade in global stock markets? Read this Posted: 28 Nov 2011 08:39 PM PST Hurrah! Indians can invest in global derivatives markets now. Let's try to figure out how exactly this arrangement works and how an individual investor can gain from this opportunity. |
| Frazier: Vikings coaches need better communication Posted: 29 Nov 2011 01:11 AM PST Leslie Frazier has one person on his coaching staff dedicated to watching replays and a couple of others who help out to make sure that he is notified when a call on the field has the potential to be overturned. When that system broke down at a crucial moment during the Minnesota Vikings' latest loss, it prompted Frazier to call for an examination of how the process works -- or doesn't --... |
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