15/04/2009

Ordered Water: Just how much water is there in calcined gypsum?

(PhysOrg.com) -- Gypsum was used as a building material in antiquity and is still widely used as a binder in plaster, drywall, and spackling paste. Known as dihydrate in construction chemistry, gypsum is a water-containing ...

So many passwords, so little memory

How many keys are on your keychain? I just looked at mine and counted nine keys. And that's not counting the bulky little remote control key fob that locks and unlocks my car. I've tried to consolidate my keys by making one ...

The sky is the limit for cloud computing

The prospects for "cloud computing" now seem a little less ... cloudy. Once a term confined to the personal-speak of high-minded tech geeks and derided by critics as a bogus marketing ploy, cloud computing today is arguably ...

Scientists harness nanoparticles to track cancer-cell changes

The more dots there are, the more accurate a picture you get when you connect them. A new imaging technology could give scientists the ability to simultaneously measure as many as 100 or more distinct features in or on a ...

Study confirms 3 Neanderthal sub-groups

The Neanderthals inhabited a vast geographical area extending from Europe to western Asia and the Middle East 30,000 to 100,000 years ago. Now, a group of researchers are questioning whether or not the Neanderthals constituted ...

Climate change makes migrations longer for birds

Bird migrations are likely to get longer according to the first ever study of the potential impacts of climate change on the breeding and winter ranges of migrant birds.

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