<p>Engineers at Duke University and Harvard Medical School have developed a bio-compatible ink that solidifies into different 3D shapes and structures by absorbing ultrasound waves. Because the material responds to sound waves rather than light, the ink can be used in deep tissues for biomedical purposes ranging from bone healing to heart valve repair.</p>
Sound waves harden 3D-printed treatments in deep tissues medicalxpress.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from medicalxpress.com Daily Mail and Mail on Sunday newspapers.
The world's frogs, salamanders, newts and other amphibians are in serious trouble, with 41 percent of studied species threatened with extinction. Habitat loss from farming and ranching is the biggest threat, but novel diseases and climate change are also taking a toll.
Amphibians Faces Serious Trouble Due to Climate Change guardianlv.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from guardianlv.com Daily Mail and Mail on Sunday newspapers.