Green Glow of ‘Mesospheric Ghosts’ Decoded

December 12, 2023 3 min read Mysterious green displays in the sky dubbed “mesospheric ghosts” can sometimes accompany the dramatic red atmospheric lights called sprites By Meghan Bartels Red sprites above a supercell thunderstorm as lightning illuminates the cumulonimbus cloud below near Hay Springs, Nebraska. If you’re ever lucky enough to spot the atmospheric drama… Continue reading Green Glow of ‘Mesospheric Ghosts’ Decoded

An Easy-Sounding Problem Yields Numbers Too Big for Our Universe

Most researchers thought Lipton had cooked up the most complex possible vector addition systems, meaning he’d raised the lower bound as high as it could go. The only thing missing, in that case, would be an upper bound to go with it — that is, a proof that there could be no system in which… Continue reading An Easy-Sounding Problem Yields Numbers Too Big for Our Universe

Cats Kill a Staggering Number of Species across the World

December 12, 2023 4 min read Domestic cats are cherished human companions, but a new study shows the enormous breadth of species the felines prey on when they are left to roam freely By Jack Tamisiea Exotic species such as pythons, Asian carp and cane toads often dominate the invasive species discourse. Few biological invaders,… Continue reading Cats Kill a Staggering Number of Species across the World

The (Often) Overlooked Experiment That Revealed the Quantum World

Before Erwin Schrödinger’s cat was simultaneously dead and alive, and before pointlike electrons washed like waves through thin slits, a somewhat lesser-known experiment lifted the veil on the bewildering beauty of the quantum world. In 1922, the German physicists Otto Stern and Walther Gerlach demonstrated that the behavior of atoms was governed by rules that… Continue reading The (Often) Overlooked Experiment That Revealed the Quantum World

The Tomb of Christ (Church of the Holy Sepulcher, Garden Tomb, Talpiot Tomb, Others)

Podcast: Download MYS289: Jesus of Nazareth is the most pivotal figure in world history and after his crucifixion he was buried for 3 days and rose from the dead. But where was he buried? Jimmy Akin and Dom Bettinelli examine the various claims, look at the evidence, and identify the most likely place. Get all… Continue reading The Tomb of Christ (Church of the Holy Sepulcher, Garden Tomb, Talpiot Tomb, Others)

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PFAS ‘Forever Chemicals’ Found in Freshwater Fish, Yet Most States Don’t Warn Residents

Bill Eisenman has always fished. “Growing up, we ate whatever we caught — catfish, carp, freshwater drum,” he said. “That was the only real source of fish in our diet as a family, and we ate a lot of it.” Today, a branch of the Rouge River runs through Eisenman’s property in a suburb north… Continue reading PFAS ‘Forever Chemicals’ Found in Freshwater Fish, Yet Most States Don’t Warn Residents

This Bill of Rights Day, Let’s Celebrate the Preamble

December 15th marks Bill of Rights Day, which commemorates the 232nd anniversary when the first ten amendments to the U.S. Constitution were ratified. December 15th should be a day all Americans reflect on the unique blessings the Bill of Rights safeguards – the freedom of speech, the right to bear arms, and being protected from… Continue reading This Bill of Rights Day, Let’s Celebrate the Preamble

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Categorized as Intel Tagged

Male Songbirds Need Daily Vocal Practice to Woo Females

December 12, 2023 4 min read Birds might sing in the morning because they need a vocal workout By Olivia Ferrari A male zebra finch (Taeniopygia castanotis). Most professional singers agree that practice makes perfect. And now research published in Nature Communications shows that songbirds also rely on a daily vocal workout—if they want to… Continue reading Male Songbirds Need Daily Vocal Practice to Woo Females