Unusual prey: Spiders eating snakes

There are spiders that eat snakes. Observations of snake-eating spiders have been reported around the world. Researchers consolidated and analyzed over 300 reports of this unusual predation strategy.

Blood stem cells make brain tumors more aggressive

Scientists have discovered stem cells of the hematopoietic system in glioblastomas, the most aggressive form of brain tumor. These hematopoietic stem cells promote division of the cancer cells and at the same time suppress the immune response against t…

Honey, we shrunk the intense XUV laser

An international team of researchers has demonstrated a new concept for the generation of intense extreme-ultraviolet (XUV) radiation by high-harmonic generation (HHG). Its advantage lies in the fact that its footprint is much smaller than currently ex…

A way to surmount supercooling

Researchers study the use of nanoparticles to induce crystallization of supercooled aqueous solutions to clathrate hydrates. On the basis of scanning electron microscopy images, they discovered that silver nanoparticles are much more effective compared…

Transient pacemaker harmlessly dissolves in body

The thin, flexible, lightweight device could be used in patients who need temporary pacing after cardiac surgery or while waiting for a permanent pacemaker. All components of the pacemaker are biocompatible and naturally absorb into the body’s biofluid…