Elana Spivack

2 weeks ago | livescience.com | Elana Spivack

Nearly two millennia after the height of the Roman Empire, some of its structures are still standing. These marvels have stood the test of time, including the Pantheon in Rome; the Roman aqueducts in Segovia, Spain; and the Roman baths in England. The longevity of these structures can be attributed largely to Roman concrete. But what makes Roman concrete so special? What is it about this material that has allowed structures to stand for thousands of years?

3 weeks ago | yahoo.com | Elana Spivack

When you buy through links on our articles, Future and its syndication partners may earn a commission. At first glance, monkeys like this baboon (left) may seem similar to apes like this gorilla (right), but the two groups are very different, experts explain. | Credit: Marc Guitard and Mark Newman via Getty ImagesOn its face, a comparison of monkeys and apes seems straightforward: Modern primates have defining physical features and behaviors that clearly sort them in different categories.

3 weeks ago | msn.com | Elana Spivack

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3 weeks ago | livescience.com | Elana Spivack

On its face, a comparison of monkeys and apes seems straightforward: Modern primates have defining physical features and behaviors that clearly sort them in different categories. Beginning with living animals, those differences are easy to pick out. Most monkeys have tails; some have prehensile tails, which means they can grasp and hold things. They're quadrupeds, meaning they use all four limbs to get around. They have four limbs that are about the same length, as well as a flexible spine.

4 weeks ago | history.com | Elana Spivack

Worm Exploits Key Vulnerability in WindowsNow chief information security officer at the University of Oregon, Dominguez says he fortunately didn’t fall victim to the Loveletter because he was using a Linux system instead of Windows, which the worm exploited.