Brain & Behavior

Nature’s camouflage

Could you imagine artificial skin capable of quickly changing colors to communicate or hide? Scientists have been testing ways to mimic the skin of cephalopods like squid, octopuses and cuttlefish, which have a remarkable ability to change skin color and sometimes even texture to mimic their surroundings. Cephalopods have networks of chromatophores, which are cells within…

Just one more example of how much humans and chimpanzees have in common. Check out this podcast describing wild chimpanzees seen drinking fermented tree sap as well as the video below. Supplement video uploaded by the study’s authors (Hockings et al., Royal Society Open Science, 2015) on Youtube. Sources: Scientific American KJ Hockings, N Bryson-Morrison,…

If you have not already had a chance to see it, the T. Rex Autopsy airing on the National Geographic channel is a must-see! They literally created a model of T. Rex based on available evidence about T. Rex and other dinosaurs as well as evidence from modern birds and then performed an “autopsy”. The conclusion: T.…

Are Pigs Really Like People?

We hear this all the time. Pig physiology is like people physiology. Pigs and humans have the same immune system, same digestive system, get the same diseases. Pigs are smart like people are smart. Pigs are smarter than dogs. And so on. Ask a faunal expert in archaeology or a human paleoanatomist: Pig teeth are…

Dr. Walter Arnold (University of Vienna) and colleagues were interested in studying how Northern ungulates cope (physiologically) with limited food supplies during the winter months. Ungulates are known to reduce energy expenditure during the winter. A new study published Wednesday in the American Journal of Physiology-Regulatory, Integrative and Comparative Physiology describes how these animals adjust their nutritional intake. Dr. Arnold’s team examined intestinal transport…

“Inclusion bodies – those clumps of protein that are found in the brain cells of Alzheimer’s patients – are, sadly, a product of aging,” says Dr. Maya Schuldiner. “They can form naturally in practically all cells, but when these cells get old, the mechanism for clearing them away starts to fail.” That is not great…

Octopus-inspired robotic device

Speaking of octopuses, the ability for the animals to squeeze through narrow openings has inspired the creation of a new surgical robotic device that can squeeze into a patient’s body. An EU team created STIFFness controllable Flexible and Learnable manipulator for surgical OPerations, dubbed “STIFF-FLOP”, made from silicone. Unlike conventional robots used during surgeries, the…

New research shows how octopus skin is able to respond to variations in light

Ever wonder how flies navigate?

Dr. Vivek Jayaraman and colleagues at the Howard Hughes Medical Institute Janelia Research Campus discovered that the ellipsoid body located in the middle of a fly’s brain acts like a compass to help navigate flight even in darkness. By placing the flies into a small virtual reality arena and having the flies walk on a…

Do food assistance programs deliver more than food and nutrition? Can relieving the stress of food insecurity provide positive psychological benefits as well? A new study says yes it can.