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Sonic boom heard over DC is a rare sound with a rich history and uncertain future
People living in and around the nation’s capital experienced a rare, if startling, sound: A sonic boom. The U.S. military had dispatched six fighter jets on Sunday to intercept an unresponsive business plane that was flying over restricted airspace. The Air Force gave the F-16s permission to fly faster than the speed of sound to catch up with the wayward...
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How sonic booms happen
Sonic booms occur when an object flies faster than the speed of sound, which is about 750 mph. Storm Team4 Meteorologist Amelia Draper explains.
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Paralyzed Man Helped With Brain and Spine Implants
A 40-year-old man whose legs are paralyzed can now climbs and walk following implants in his brain and spinal cord that pair with external devices.
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Photos Captured by World's Most Powerful Telescope Show the Sun Like You've Never Seen It Before
A solar telescope perched on the summit of Haleakalā, the dormant volcano on the Hawaiian island of Maui, captured new granular images of the sun, unlike any seen before.
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Out of This World: Hawaii's Solar Telescope Captures Extraordinary New Images of the Sun
A solar telescope perched on the summit of Haleakalā, the dormant volcano on the Hawaiian island of Maui, captured new granular images of the sun, unlike any seen before.
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Brain Drain: Study Finds Presence of Phones Causes Concentration Issues
Researchers at the University of Toronto said the mere presence of phones — even when they’re turned off — can take up people’s time and attention and make it harder to work and complete tasks. News4’s Eun Yang reports.
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Researchers Find Mere Presence of Phones Can Cause ‘Brain Drain'
Researchers at the University of Toronto said the mere presence of phones — even when they’re turned off — can take up people’s time and attention and make it harder to work and complete tasks.
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STEM for Her Helps Girls Step Into Science
Increasing gender and racial diversity in STEM jobs is a slow and sometime difficult process. News4’s Molette Green reports on how local nonprofit STEM for Her is working to change that.
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Scientists Announce Birth of 2nd Successful Cloned Horse
Scientists announced the birth of a cloned Przewalski’s horse, born from a cell line frozen for 40 years at the San Diego Zoo Wildlife Alliance Biodiversity Bank’s Frozen Zoo.
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For the First Time, Scientists Create Mice With Cells From 2 Males
Scientists have created baby mice with two fathers for the first time by turning male mouse stem cells into female cells in a lab.
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Should the Moon Have a Time Zone? Europe Pushes for ‘Lunar Reference Time'
With more lunar missions than ever on the horizon, the European Space Agency wants to give the moon its own time zone. This week, the agency said space organizations around the world are considering how best to keep time on the moon. The idea came up during a meeting in the Netherlands late last year, with participants agreeing on the...
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Space Telescope Finds Massive Galaxies, Baffling Scientists: ‘We Were Mind-blown'
Astronomers have discovered what appear to be massive galaxies dating back to within 600 million years of the Big Bang.
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The Fate of America's Largest Supply of Helium Is Up in the Air
For more than a year, the fate of the Federal Helium Reserve, one of the world’s largest and most dependable suppliers of helium, has been uncertain.
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Pandemic Stress Physically Aged Teens' Brains, Study Finds
Researchers from Stanford University analyzed MRI scans and found that a group of teens’ brains now looked about three years older than their peers pre-COVID. News4 spoke with Dr. Asha Patton-Smith with Kaiser Permanente about the study and what parents should know.
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Buffalo, New York Shakes With Largest Earthquake in Four Decades
The earthquake was widely felt, but no major damage was reported.
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Scientists Want to Bring Dodo Bird Back From Extinction
A company working on technologies to bring back extinct species has attracted more investors.
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Maryland Girl Finds 15-Million-Year-Old Megalodon Tooth
A 9-year-old made a jaw-dropping discovery at Calvert Cliffs State Park in Maryland.
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Fossil-Hunting as a Family: 9-Year-Old Maryland Girl Finds Giant Megalodon Tooth on Christmas Day
Nine-year-old Molly Sampson added something new to her collection of over 400 fossils on Christmas Day: a five-inch, 15-million-year-old megalodon tooth.
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Lung Cancer Cases on the Rise Among Non-Smokers
Doctors say more people are getting diagnosed with the disease despite never having smoked cigarettes. News4’s Eun Yang reports.
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Perihelion: The Earth Will Get Closest to the Sun on Jan. 4, 2023
Perihelion — when the sun and earth are nearest each other — occurs every winter. So, why is it still so cold outside? Storm Team4 Meteorologist Ryan Miller explains.