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01/17/2015

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COMPUTERS & ELECTRONICS, BODY & HEALTH

Virtual wounds: Computers probe healing

By Naila Moreira, Jan 16, 2015 07:01 am

To better understand how the body heals wounds, scientists have begun creating computer programs that let virtual cells fight it out. These ‘computer games’ could lead to better medicines. Read More

COMPUTERS & ELECTRONICS, BODY & HEALTH

Questions for Virtual Wounds: Computers probe healing

By Anonymous, Jan 16, 2015 07:00 am

SCIENCEBefore reading:1. Why do live-action movies rely on computer effects for some scenes? What are some of the advantages of doing so?2. How does your body respond to a scrape or cut? What visible changes occur, from the moment of injury through the healing process?During reading:1. What is the “mission” of inflammatory cells?2. What manages the process of inflammation?3. Provide an example of a mistake that inflammatory cells might make.4. Define “agent-based modeling.”5. Why is agent-based modeling so helpful in studying complex environments?6. Describe the unexpected behavior that emerged on the virtual battlefield created for the movie. Read More

CHEMISTRY, TECHNOLOGY & ENGINEERING

Rewritable paper: Prints with light, not ink

By Kathiann Kowalski, Jan 15, 2015 07:00 am

Rewritable paper could save money, preserve forests and cut down on waste — and all without using any ink. Read More

ANIMALS

Bird DNA leads to strange family tree

By Stephen Ornes, Jan 14, 2015 07:00 am

Field guides often group birds together by similarities in appearance or behavior. But a new study, based on DNA, confirms earlier suspicions that such groupings are only skin-deep. Read More

BODY & HEALTH

Cell gangs may help cancer spread

By Stephen Ornes, Jan 13, 2015 07:00 am

A new study on mice suggests that when cancer cells strike out from a primary (first) tumor in groups, they have an especially good chance of creating new tumors elsewhere. Read More

ANIMALS

Picture This: Winter brings white noses

By Bethany Brookshire, Jan 12, 2015 07:00 am

White-nose syndrome, caused by a fungus, has killed millions of bats in the eastern United States. Now, scientists show that the disease comes and goes, by season. The finding could help scientists more effectively target any treatments. Read More