Pretty much everyone knows what a phobia is: an extreme and unreasoning fear or aversion to something. While there are hundreds of known phobias, some of the most common include claustrophobia (fear of enclosed spaces), arachnophobia (fear of spiders), acrophobia (fear of heights) and aquaphobia (fear of water).But if aquaphobia is an aversion to water, then what is hydrophobia? After all, it means fear of water, too. So which term is correct?The answer, oddly enough, is both. But if you were fo ...read more

We’ve all heard of the five tastes our tongues can detect — sweet, sour, bitter, savory-umami and salty. But the real number is actually six, because we have two separate salt-taste systems. One of them detects the attractive, relatively low levels of salt that make potato chips taste delicious. The other one registers high levels of salt — enough to make overly salted food offensive and deter overconsumption.Exactly how our taste buds sense the two kinds of saltiness is a mystery that’s ...read more

The Science Near Me blog is a partnership between Discover magazine and ScienceNearMe.org.Humans are naturally curious, and our knack for tinkering has led to some of the world’s greatest inventions. But even if we don’t see ourselves as inventors, getting hands-on with technology, old and new, can be an enriching and educational experience (plus, it’s just plain fun!).In fact, so many people love tinkering and creating that there’s an entire culture dedicated to it, called the maker mov ...read more

People in the oldest stage of life who regularly engage in aerobic activities and strength training exercises perform better on cognitive tests than those who are either sedentary or participate only in aerobic exercise. That is the key finding of our new study, published in the journal GeroScience.We assessed 184 cognitively healthy people ranging in age from 85 to 99. Each participant reported their exercise habits and underwent a comprehensive battery of neuropsychological tests that were de ...read more

Caterpillars have evolved over millions of years to defend themselves against predators. Over those years of evolution, the insect larvae have split into different geneses that sport vibrant colors, mesmerizing shapes and sharp thorns of distinctive tints and sizes.Learn more about the diverse venomous caterpillars worldwide and their tactics to survive from attacking predators.Are Caterpillars Poisonous?While some caterpillars don't show spikes at all, they advertise their toxicity with their s ...read more

It can be challenging to create a treatment plan for depression. This is especially true for patients who aren’t responding to conventional treatments and are undergoing experimental therapies such as deep brain stimulation. For most medical conditions, doctors can directly measure the part of the body that is being treated, such as blood pressure for cardiovascular disease. These measurable changes serve as an objective biomarker of recovery that provides valuable information about how to c ...read more

Disclaimer: This post contains affiliate links. CBG and CBD are both cannabinoids found in the cannabis plant. Both have gained significant attention due to their potential therapeutic benefits. Understanding the differences between CBG and CBD is crucial for individuals seeking informed choices. This article aims to explore the distinctions between CBG and CBD, shedding light on their unique properties and potential applications.While both CBG and CBD are cannabinoids found in cannabis, they p ...read more

Each day, you leave digital traces of what you did, where you went, who you communicated with, what you bought, what you’re thinking of buying, and much more. This mass of data serves as a library of clues for personalized ads, which are sent to you by a sophisticated network – an automated marketplace of advertisers, publishers and ad brokers that operates at lightning speed.The ad networks are designed to shield your identity, but companies and governments are able to combine that inform ...read more

Dig into your pockets and pull out some change. If you’re in the U.S., you’ll probably find some crumpled cash and a couple not-so-shiny coins. They may not look like much, but what you’re holding is a handful of history.Your beaten-up buck is part of the long line of dollar bills printed in the U.S. since 1862. The quarter was introduced in 1796, and the penny appeared three years prior, in 1793. You probably have some in your possession, abandoned at the bottom of your bag. Of course, th ...read more

Throughout history, specific technologies have revolutionized the way we live, work and play. This has often occurred gradually, but occasionally through dramatic, sweeping changes in society. The technology behind the industrial revolution -- the steam engine, the spinning jenny and the cotton engine, for example -- accelerated economic growth by an order of magnitude, creating an explosion of innovation that still reverberates around the planet.By contrast, other technologies have had more mod ...read more