Patients undergoing coronary bypass surgery need implants of new, healthy blood vessels. So do those who receive repeated hemodialysis due to kidney failure. The best option is to use the patient's own veins or arteries, but thousands of patients don...
Republican Senator Rand Paul of Kentucky has introduced a bill that would chop a half trillion dollars out of the federal budget. And although Paul was trained as an ophthalmologist, his axe doesn't show any mercy to science. For example, Paul would...
Orchids are among the most successful flowering plants, with more than 22,000 species around the world. And thats not just because of the obsession they inspire in their human fans. Researchers spent 10 years studying orchids in South Africa, where t...
Companies spend billions on advertising every year. But they're not just pushing productsthey're selling their brand's personality, too. Think: Red Bull. What comes to mind? Most people say things like speed...power...hyper...extreme. Well, a pair of...
This is Scientific Americans 60-Second Science. Im John Matson, Got a minute? Imagine a pinball machine on multi-ball modeonly the balls are the size of planets. The early solar system was such a rough-and-tumble place. That chaotic environment produ...