When glassfrogs sleep, they turn their bodies transparent in order to evade predators. Scientists have now discovered that they do so by moving their red blood cells into their liver – and the ...

Now, a new study in the journal Science reveals that the northern glassfrog (Hyalinobatrachium fleischmanni) pulls off this feat by removing almost 90% of its red blood cells from circulation and ...

Laser Speckle Imaging (LSI): A non-invasive optical technique that visualises blood flow by analysing the dynamic speckle patterns produced by coherent light scattering from moving particles.

Sep 08, 2023: New laser tweezers allow gentle, efficient manipulation of cells and nanoparticles (w/video) (Nanowerk Spotlight) Optical tweezers have been a cornerstone technology for manipulating ...

In addition to the blood group, blood is further categorized as either Rh-positive (red blood cells carry the Rh antigen) or Rh-negative (they don’t). For example, someone might say they are 'AB ...