In the urgent quest for a more sustainable global food system, livestock are a mixed blessing. On the one hand, by converting fibrous plants that people can’t eat into protein-rich meat and milk, grazing animals like cows and sheep are an important source of human food. And for many of the world’s poorest, raising a cow or two — or a few sheep or goats — can be a key source of wealth.But those benefits come with an immense environmental cost. A study in 2013 showed that globally, livesto ...read more
The language of science continually changes. Throughout the last ten years, a wide range of words and phrases have emerged from obscurity into common usage in science. These include zika, Ebola, ChatGPT and so on, words that reflect the ebb and flow of scientific research and broader events and fashions within science and society. These changes show up in the papers, reviews and articles that scientists are constantly producing. Indeed, various researchers have attempted to map the evolution of ...read more
Pilot whales have always been joined at the hip. In fact, the tendency for a group of pilot whales to follow the direction of a group leader is exactly what earned them their name. Now, these nomadic oceanic dolphins are finding themselves navigating into shallow waters, leaving them stranded on various beaches in masses. A Sudden Increase in Pilot Whale StrandingAlthough stranding of pilot whales has been occurring for millions of years, there has been an alarming increase of global mass strand ...read more
It goes by many different names: rumination, repetitive negative thinking, negative thought syndrome, spiraling thoughts. But whatever you call it, it can have damaging consequences for your mental health. The experience — let’s call it rumination — can include dwelling on past mistakes or worrying about future events or decisions you’ll have to make. While reviewing and learning from the past and preparing for the future are healthy (even necessary) mental processes, rumination is some ...read more
A hammerhead shark less than one meter long swims frantically in a plastic container aboard a boat in the Sanquianga National Natural Park, off Colombia’s Pacific coast. It is a delicate female Sphyrna corona, the world’s smallest hammerhead species, and goes by the local name cornuda amarilla — yellow hammerhead — because of the color of its fins and the edges of its splendid curved head, which is full of sensors to perceive the movement of its prey.Marine biologist Diego Cardeñosa of ...read more
Author Vishay SinghPosted on Categories Discover Magazine