When a surfer paddles out to catch a wave, their silhouette creates an image to a shark swimming below. Against a bright sky in the water, a human could resemble the body of a seal, or a shark's favorite prey. We've commonly heard that this is why sharks attack humans. Recently, however, a new study challenges this theory. Eric Clua, a marine biologist and veterinary doctor based in French Polynesia, and Carl Meyer, a biologist at the University of Hawai’i, published a paper in Behaviour that ...read more
In February of 1997, a small group of friends and relatives went ice fishing on Moosehead Lake in Maine, not knowing what the day would hold for them. According to an old account by the National Weather Service, the friends set to fishing amid the snow, sleet and rain and heard a sound like “freight train cars banging together.” They later realized this to be thunder and as hail began to fall, piled their gear onto their snowmobiles, to leave.As they worked, they saw “flickers or sparkles� ...read more
The trick to a successful search for fossils is finding the proper place. After all, paleontologists rarely select their sites at random. Instead, they consider an assortment of areas — comparing the age and the accessibility of the rock — prior to picking up their trowels.Most important in their considerations is the type of stone at a prospective search site, which is almost always sedimentary rather than igneous or metamorphic. The question is, why?While the formation of sedimentary rock ...read more
Eye Movement Desensitization and Reprocessing (EMDR) therapy is a new psychotherapy method used to treat people’s past trauma — or the painful symptoms caused by distressing experiences. But unlike a regular psychotherapy treatment, the healing process with EMDR is much shorter. Plus, you don’t have to talk extensively about or relive your traumatic experiences.What Is EMDR Therapy and How Does It Work?EMDR therapy is a guided process in which you move your eyes toward the therapist's fing ...read more
A massive dust storm over Mongolia and China is revealed in magenta tones in this screenshot from a timelapse animation of Himawari-9 satellite imagery acquired on March 21, 2023. Please see below for the timelapse itself. (Credit: CIMSS Satellite Blog)Were it not for the labels and national borders, the image above might easily be mistaken for an abstract expressionist painting. But it is, in fact, a satellite image that reveals a sprawling dust storm over Asia. The storm arose as tightly juxta ...read more
Author Vishay SinghPosted on Categories Discover Magazine
