How 100 Years Of EEG Have Transformed Neuroscience

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Electroencephalography, or EEG, was invented 100 years ago. In the years since the invention of this device to monitor brain electricity, it has had an incredible impact on how scientists study the human brain.Since its first use, the EEG has shaped researchers’ understanding of cognition, from perception to memory. It has also been important for diagnosing and guiding treatment of multiple brain disorders, including epilepsy.I am a cognitive neuroscientist who uses EEG to study how people rem ...read more

What Does it Mean to be an Ambivert?

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Personality is a fascinating and complex aspect of human nature. It's what makes each of us unique, influencing how we think, feel, and interact with the world around us. But have you ever wondered why sometimes you enjoy being the life of the party, and other times you crave solitude? If so, you might be tapping into both introverted and extroverted traits, making you an ambivert.In this article, we’ll briefly explore what it means to be an ambivert, as well as how to recognize if you possess ...read more

Natural Light Is Good for Our Circadian Rhythms, but Blue Light Has the Opposite Effect

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Since the dawn of time, humans have depended on the light of day and the darkness of night to regulate sleep cycles and keep our circadian rhythms in check. But now with the advent of electrical lighting as well as screen time, we have to tend to unnatural lighting and the impact it has on our sleep cycles.Humans have robust rhythms that regulate nearly every aspect of our lives, from our cognition to memory to things like liver function and how the pancreas secretes insulin in response to a mea ...read more

Sensations of Summer Podcast

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Every season has its own unique sights, sounds and other sensations. In this episode of the SciStarter podcast, we look at fireflies, listen to cicadas, feel the ocean waves and extend our senses beyond the bounds of our planet.Sensations of Summer Audio PodcastSensations of Summer Video PodcastPodcast TranscriptSciStarter S5E6 Sensations of SummerBob Hirshon Welcome to Citizen Science: Stories of Science We Can Do Together, also known as the SciStarter podcast. In this episode a summer sensory ...read more

How Was Popcorn Discovered?

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You have to wonder how people originally figured out how to eat some foods that are beloved today. The cassava plant is toxic if not carefully processed through multiple steps. Yogurt is basically old milk that’s been around for a while and contaminated with bacteria. And who discovered that popcorn could be a toasty, tasty treat?These kinds of food mysteries are pretty hard to solve. Archaeology depends on solid remains to figure out what happened in the past, especially for people who didn ...read more

Sometimes People can Have Multiple Mental Conditions at a Time, Called Comorbidities

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Medical professionals often see patients exhibiting symptoms of more than one mental condition at a time, which are called comorbidities. However, the causes of these comorbidities involve delving into the complexity of the human brain and the myriad reasons why mental health conditions arise in the first place. “Comorbidities are, unfortunately, common and a serious problem,” says Kristin Scaplen, an assistant neuroscience professor at Bryant University. “Research shows that the presence ...read more

This 3,500-Year-Old Ancient Armor Is Marine Tested, Archaeologist Approved

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The Bronze Age saw the creation of complex societies and complex warfare, and served as the setting of some of the world’s most famous myths. In fact, the Aegean Bronze Age was the time of Achilles and Odysseus — of the legendary Trojan Horse and Trojan War — memorialized in the works of Homer. Not so mythical were the cultures that arose around the Aegean throughout the Greek Bronze Age, between 3000 B.C.E. and 1000 B.C.E., including the Minoan civilization on Crete and the Mycenaean civi ...read more

Lucy Stood Just 3.5 Feet Tall, But Still Towers Over Our Knowledge Of Human Origins

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(Credit: James St. John/Flickr, CC BY) The reconstructed skeleton of Lucy, found in Hadar, Ethiopia, in 1974, and Grace Latimer, then age 4, daughter of a research team memberIn 1974, on a survey in Hadar in the remote badlands of Ethiopia, U.S. paleoanthropologist Donald Johanson and graduate student Tom Gray found a piece of an elbow joint jutting from the dirt in a gully. It proved to be the first of 47 bones of a single individual – an early human ancestor whom Johanson nicknamed “Lucy. ...read more

How Collective Trauma Can Bond Groups of People Together

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The morning of January 12, 1888 was surprisingly warm in The Great Plains. The mercury rose above the freezing mark, melted ice dripped from roofs, and children left their heavy coats at home on their way to school. Across the region, people used the warm day to run errands or work outside.Thousands of people were caught unaware when a fierce blizzard suddenly transpired. Temperatures plummeted as low as negative 40 degrees Fahrenheit, and intense snow blinded those stranded outside. Hundreds of ...read more

Cleaning Up Cow Burps To Combat Global Warming

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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

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