All posts tagged: requires

Science reveals people are capable of multitasking — it just requires practice

Science reveals people are capable of multitasking — it just requires practice

Your brain is capable of learning to multitask without your realizing it, according to a new study. Subscribe to read this story ad-free Get unlimited access to ad-free articles and exclusive content. It has long been thought that using your brain to work simultaneously on multiple things was impossible. That’s because problem-solving, logical planning and abstract thinking are all carried out by a key region of the brain known as the prefrontal cortex, which is notoriously inflexible. “It’s made to do one thing at a time, which is often a good thing,” said Maximilian Riesenhuber, a professor of neuroscience at Georgetown University School of Medicine and senior author of the research published Thursday in the Journal of Cognitive Neuroscience. “You can focus on something and suppress everything else to stay on task.” Neuroscientists previously suspected that when it was forced to juggle, the overworked prefrontal cortex tried to rapidly switch back and forth between tasks. An experiment carried out by Riesenhuber and colleagues has revealed that the brain has a workaround that can be activated …

Humanism After Belief: What Responsibility Requires

Humanism After Belief: What Responsibility Requires

Secular humanism has been remarkably effective at dismantling religious metaphysics. It has been far less willing to ask what it owes the people who must live without them. For many secular humanists, this omission feels reasonable. If a belief is false, arbitrary or harmful, then exposing it should be enough. Truth, after all, is a moral good which respects the dignity and rationality of human beings. But this confidence rests on an assumption that deserves closer scrutiny: that removing belief is ethically sufficient, regardless of the psychological and moral weight that belief had been carrying. It is here that humanism encounters an unresolved moral responsibility—one that critique alone cannot discharge. Dignity, Purpose, and the Human Condition Human dignity is inherent. It does not depend on status, achievement, belief or obedience. But lived dignity—the experience of oneself as a moral agent—does not exist in abstraction. It must be enacted. And enactment requires orientation. Human beings cannot live a dignified life without a sense of purpose that renders their actions meaningfully directed—not because their worth must be …

Giving a 140 pound stingray a check-up requires 8 people

Giving a 140 pound stingray a check-up requires 8 people

Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent every weekday. Getting that annual check-up can feel daunting for anyone. For a 140-pound leopard whiptail ray (Himantura undulata) living at the New England Aquarium in Boston, it’s a whole other animal. At the weight of an adult human with a four-foot-three-inch wingspan, just moving the giant fish from its habitat to an exam pool is an exercise in teamwork. “This process requires eight people on average, so we must ensure we have proper staffing to perform these exams safely from both an animal and human safety aspect,” Dr. Kathy Tuxbury, the New England Aquarium’s Senior Veterinarian, tells Popular Science. Leopard whiptail rays (also called leopard whip rays) have leopard-like spots and very long, thin tails that can be two to four times the length of their bodies. These tails help them balance, steer through the water, and defend themselves against predators. Including the tail, these rays can be 13-feet-long, and are found in southeast Asian and northern Australian waters. The New England …