New 10 second sourcing technology set to transform archaeology

Researchers at the University of Sheffield have developed a method of sourcing obsidian artefacts that takes only 10 seconds – dozens of times faster than the current methods – with a handheld instrument that can be used ...

Oxygen-sensing microrobots

(Phys.org) —When the retina's supply of blood and oxygen runs low, physicians have to react quickly to preserve a patient's eyesight. But up until now there have been no methods sensitive enough to measure how well the ...

Obsidian discovery reveals 4,000-year-old Syrian story

(Phys.org)—Ancient sites and cultural heritage are under threat in Syria due to the current conflict. An interdisciplinary research team hopes this new discovery, which has major implications for understanding the world's ...

Frog dissections go virtual at California school

(AP) -- A Southern California high school is taking the scalpel to frog dissections in biology class as it becomes the first U.S. school to take up animal welfare supporters' offer of free anatomy software.

Surgical instruments with electronic serial numbers

Gone are the days of having to compromise on surgeons' demands because of the limitations associated with metal processing: Laser melting has abolished production-related restrictions on surgical instruments. The technique ...

New Perspectives on Cancer Surgery

(PhysOrg.com) -- Instead of the classic scalpel, surgeons can also operate with an electroscalpel. A significant advantage to this technique is that while a cut is being made, blood vessels are closed off and hemorrhaging ...