[embedded content]On Aug. 16, 2020, a lightning strike sparked a wildfire at Cima Dome in the Mojave Desert and burned about 1.3 million Joshua trees, leaving behind a standing graveyard of the iconic trees. “They take hundreds of years to get to the size that they are,” says Bri Montoro, a project manager with the Nevada Conservation Corps, in the video. “Seeing them burnt is beautiful and devastating.”Drew Kaiser, a botanist with the Mojave National Preserve, watched the habitat burn i ...read more
When actor Bruce Willis was diagnosed with aphasia in the spring of 2022, it ignited interest in what exactly the condition is and how it affects those who have it. While Willis later received a more specific diagnosis of frontotemporal dementia in February of this year, the two conditions are closely linked.Primary Progressive AphasiaIn general, aphasia is classified as a neurogenic language disorder that causes a loss of language — both the ability to produce language and the ability to unde ...read more
Chytridiomycosis, the most destructive disease to ever affect vertebrates, moves swiftly. As a doomsday disease affecting amphibians, it often begins when a microscopic zoospore propelled by a squiggly flagellum tail collides with the skin of a frog. From there, it penetrates the tissue and through a complex process widens the infection and produces new zoospores.The disease tends to affect the keratin-producing skin in the frog’s groin and legs and throws off the amphibian’s normal regulati ...read more
According to the myth, handsome Narcissus once gazed at himself in a pool of water and fell in love with his own reflection, a self-obsession that would ultimately doom him.While we can be grateful to this cautionary tale for inspiring the term narcissism, it seems a tad unfair for us to fault one Greek youth for being fascinated by his own appearance. After all, humans have been obsessed with their reflections for millennia, and that obsession would trigger the development of one of the greates ...read more
What's more appetizing than a mouthful of fluffy feathers? Not much, apparently, for a rare type of arthropod from the planet's remote past.That's because around 105 million years ago, ancient beetles fed on the feathers of the dinosaurs. In fact, fossilized remains trapped in amber recently revealed this relationship between the arthropods and the theropods, according to a paper published in Proceedings of the National Academy of Sciences.(Credit: CN IGME-CSIC) The larval molts of the beetles w ...read more
Author Vishay SinghPosted on Categories Discover Magazine
