biology

For Cells, Internal Stress Leads to Unique Shapes

in biology

From far away, the top of a leaf looks like one seamless surface; however, up close, that smooth exterior is actually made up of a patchwork of cells in a variety of shapes and sizes.

Vesicle transport gets Nobel Prize for Medicine.

in medicine, biology

The work of three scientists, Randy W. Schekman, Thomas C. Südhof and James E. Rothman,  gave us insight into the role of vesicles and vesicular transport in health and disease.

Lifespan Extension by Red Wine Ingredient Resveratrol Linked to Methylation Following Action on SirT1

in medicine, biology

A new research suggests that the protein target of the red wine ingredient resveratrol may be extending lifespan by a new mechanism.  The protein target of resveratrol in mammals is the enzyme called SirT1, which belongs to a family of proteins called sirtuins.
 

NIH and NSF are Shut Down - US Government Shut Down Consequences to Scientists

in technology, biology

The National Institutes of Health (NIH) and the National Science Foundation (NSF) are shut down from October 1, 2013 for an indefinite duration.  This is a direct consequence of the US Government shut down due to non-approval of funding for the government for the fiscal year 2014. 

Axon pruning: How neurons amputate their axons

in medicine, biology

A new study details the mechanism by which axon pruning takes place.  The scientists say that neurons amputate their axons, axon pruning, by a process similar to a cell death process called apoptosis. An axon is a long tail-like projection of a cell body that transmits information to other neurons or muscles.

Studying sharks and fossilized teeth gain insight into sharks' ancient ancestors

in biology

The lasting legacy of the great white shark is sharp, strong and pointy: its teeth.

Not only is it the part of the creature that resonates most strongly with people, it's usually the only part left behind after death, as the rest of its skeleton is cartilage.

Newfound gene may help bacteria survive in extreme environments

in biology

In the days following the 2010 Deepwater Horizon oil spill, methane-eating bacteria bloomed in the Gulf of Mexico, feasting on the methane that gushed, along with oil, from the damaged well. The sudden influx of microbes was a scientific curiosity: Prior to the oil spill, scientists had observed relatively few signs of methane-eating microbes in the area.

Face transplant at University of Maryland - The transplant included jaws, teeth and tongue

in medicine, biology

In a remarkable 36-hour operation transplant surgeons at the University of Maryland performed the most extensive full face transplant.  The face transplant included both jaws, teeth and tongue.  This marks the first time in the world that a full face transplant was performed by a team of plastic and reconstructive surgeons with specialized training and expertise in craniofacial surger