Science Nation - Creeping Crawling Caterpillars

submitted by: nsf
Roly-Poly role models for future robots Sometimes it pays to be spineless. Take the caterpillar--it can squirm and crawl in ways that would make a contortionist green with envy. One such animal, a green tobacco hornworm, dangles off Barry Trimmer's finger, half of its body squirming and bending in mid-air. What fascinates Trimmer, a Tufts University biology professor, is how caterpillars can move in ways animals with spines and skeletons can't. For this and more Science Nation, go to...

Science Nation - Visualization Wall

submitted by: nsf
This 3-D experience even allows students to practice surgical techniques. When data becomes too complex to describe or even imagine, try bouncing it off a wall. But not just any wall. Measuring 14-by-8 feet, this giant behemoth is known as the VisWall (a product of Visbox, Inc.) and it can help researchers visualize some of the most complicated scientific concepts. For more on this and other Science Nation stories, go to http://www.nsf.gov/news/special_reports/science_nation/index.jsp