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Regarding the discovery of the dinosaur heart with the single aorta, your readers should note that this morphology is more likely to be related to high blood pressure than metabolic rate per se. The typical reptilian heart, with its incompletely divided ventricle and double aorta, is quite functional at separating oxygenated and deoxygenated blood. The […]
- Chemistry
Hot Spuds: Golden path to acrylamide in food
The browning reaction that imparts flavor to french fries and breads also creates acrylamide, an animal carcinogen.
- Materials Science
Molecular Separations: New artificial sieve traps molecules
Researchers have created a metal-laced organic solid that acts as a sieve with nanosize pores for capturing molecules.
