Uncategorized
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- Humans
From the July 20, 1935, issue
A warning sign for pilots, better methods for producing radioactive substances, and making potatoes grow better with ultrasound.
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Animal Skulls
High school biology teacher DeLoy Roberts and his students have, over the years, assembled a large collection of animal skulls. This Web site provides dramatic images of the skulls, ranging, for example, from the armadillo to the wood rat among the mammals. Various birds, fish, sharks, reptiles, amphibians, and crustaceans are also represented. Go to: […]
- Health & Medicine
Tumors in Touch: Cancer cells spur vessel formation through contact
Some tumor cells use a newfound mechanism to prompt neighboring cells into forming blood vessels that then nourish the cancer.
