The dwarf irregular galaxy NGC 1569 is frantically forming stars. New research shows that some dwarf galaxies, however, have had their star formation halted by the supermassive black hole in their center. (Credit: HST/NASA/ESA)
Astronomers know that most galaxies house supermassive black holes in their centers, from the largest galaxies down to small dwarfs. They also know that when supermassive black holes are actively feeding, they can slow or even stop the formation of stars in their home ...read more
A plume of steam flows upward from Bogoslof volcano, a partially submerged volcano that created giant underwater bubbles when it erupted in 2017. (Credit:
Dave Withrow, Alaska Volcano Observatory)
(Inside Science) -- As a geophysicist at the Alaska Volcano Observatory, John Lyons spends much of his days trying to decipher the music of volcanic eruptions. Sensitive microphones scattered across the Aleutian Arc -- a chain of over 80 volcanoes that sweeps westward from the Alaskan peninsula -- ...read more
(Credit: Y. Mitsuma's tracing of the photographs of H. Hayakawa)
Astronomers have watched sunspots come and go on the sun’s surface for at least 400 years. But to learn about the history of the sun’s activity before the time of telescopes, they have to turn to historical references to phenomena linked to solar activity, like the northern lights.
Now, a team of scientists have discovered what may be the oldest written records of auroras to date. These three Assyrian and Babylon ...read more
(Credit: Odua Images/Shutterstock)
Scan the aisles of any grocery store, and you’ll find a plethora of infant formula options, all designed to meet the nutrient needs of growing infants, who nearly triple their body weight in the first year of life. And yet researchers and companies are busy testing new formulations all the time.
That’s in part because much has changed in our understanding of breast milk’s complexities over the decades — from early knowledge of its ...read more
Food allergies, including those to seafood, are becoming more common. (Credit: Alexander Raths/Shutterstock)
All your life, you’ve delighted in the subtle, sweet taste of fresh shrimp. Until one day, when you bite into it and find yourself beset by itching hives and a swollen throat.
An unexpected food allergy seems to be a common experience for some adults in America, according to a recent study. Though the issue is often associated with children, researchers found that 1 in 10 grow ...read more
Author Vishay SinghPosted on Categories Discover Magazine