Sometimes, it’s a shark-eat-shark world. Documented cases of larger sharks dining on smaller ones are relatively rare. Scientists have now found the first evidence of a larger species consuming the porbeagle shark, according to a report in Frontiers in Marine Science.Porbeagles live in the Atlantic Ocean, the South Pacific Ocean and the Mediterranean Sea. They grow to around 12 feet and weigh up to about 500 pounds. Scientists started tracking a group of porbeagles in 2020 — not to see if th ...read more
Nature is disordered, messy, chaotic. But upon closer look, you might start noticing patterns, sequences, and symmetry on all sorts of varying scales, from the grandest spiral galaxies to the tiniest snail shell. One popular pattern spotted in many places is the Fibonacci sequence. You’ve likely encountered it before, perhaps as a spiral graphic often superimposed over images of human ears, hurricanes, or nautilus shells. How many of them are actually examples of the Fibonacci sequence arising ...read more
If you’re feeling groggy during the day, and a cup or several cups of coffee just isn’t doing the trick, you might resign yourself to a cat nap. As the name suggests, those kinds of power naps are reminiscent of the ways our feline friends seem to laze and doze their entire days away. Sleeping may appear to be your cat’s favorite, or at least, most commonplace activity, and there’s good reason for it. Here's what to know about the ways cats sleep. Why Cats Sleep So Much(Credit: Svetlana ...read more
Imagine packing for a trip to space. Your suitcase would contain apparel that is much different from your usual vacation gear. Instead of swimsuits, flip-flops, and sun hats, you'll need life-supporting attire — gear that can protect you from the vacuum of space, extreme temperatures, and harmful radiation.But what do astronauts really wear in space? Let’s unpack the essentials.The Space Suit: Your Personal Spacecraft[embedded content]When you think of spacewear, the iconic spacesuit likely ...read more
When Elizabeth Edgerly’s mother was living with memory loss, Edgerly had to help her with daily care activities like getting dressed. At times, her mother became frustrated and couldn’t communicate what she needed.“I remember a couple instances in which she went to hit me with a cane,” says Elizabeth Edgerly, the senior director of care and support for The Alzheimer’s Association.People with Alzheimer’s Disease (AD), dementia, or other forms of memory loss can display aggression or a ...read more