Category Archives: Sci Tech

Scientists have created self-healing plastic using a chemical blend

In a huge breakthrough, scientists from the U.S. have developed a chemical cocktail that allows plastic to fix itself, and could lead to all kinds of incredible applications, such as self-healing iPhone screens, tyres that fix their own punctures, and airplanes that can repair themselves mid-flight.

The development was partly influenced by animals’ remarkable ability to heal ourselves – when we suffer a puncture wound, compounds flow from our blood vessels to the wound site to feed the growth of new tissue that fills the damaged area.

Materials, on the other hand, have relied on our help to fix

Genetic signature reveals new way to classify gum disease

 

Currently, periodontal disease is classified as either “chronic” or “aggressive,” based on clinical signs and symptoms, such as severity of gum swelling and extent of bone loss. “However, there is much overlap between the two classes,” said study leader Panos N. Papapanou, DDS, PhD, professor and chair of oral and diagnostic sciences at the College of Dental Medicine at CUMC. “Many patients with severe symptoms can

Robotic insect mimics Nature’s extreme moves

The concept of walking on water might sound supernatural, but in fact it is a quite natural phenomenon. Many small living creatures leverage water’s surface tension to maneuver themselves around. One of the most complex maneuvers, jumping on water, is achieved by a species of semi-aquatic insects called water striders that not only skim along water’s surface but also generate enough upward thrust with their legs to launch themselves airborne from it. Now, emulating this natural form of water-based locomotion, an international team of scientists from Seoul National University, Korea (SNU), Harvard’s Wyss Institute for Biologically Inspired Engineering, and the Harvard John A. Paulson School of Engineering and Applied Sciences, has unveiled a novel robotic insect that can jump off of water’s surface