A New Helium Measurement Is Testing the Universe’s First Five Minutes

Large Binocular Telescope data cut helium measurement uncertainty threefold. Helium, a light chemical element, carries clues to what the universe was like during its first five minutes. To read that record, an international team turned to 15 small, remote galaxies whose chemistry has changed very little, preserving a composition close to that of the early […]

A New Helium Measurement Is Testing the Universe’s First Five Minutes

Large Binocular Telescope data cut helium measurement uncertainty threefold. Helium, a light chemical element, carries clues to what the universe was like during its first five minutes. To read that record, an international team turned to 15 small, remote galaxies whose chemistry has changed very little, preserving a composition close to that of the early […]

A New Helium Measurement Is Testing the Universe’s First Five Minutes

Large Binocular Telescope data cut helium measurement uncertainty threefold. Helium, a light chemical element, carries clues to what the universe was like during its first five minutes. To read that record, an international team turned to 15 small, remote galaxies whose chemistry has changed very little, preserving a composition close to that of the early […]

A New Helium Measurement Is Testing the Universe’s First Five Minutes

Large Binocular Telescope data cut helium measurement uncertainty threefold. Helium, a light chemical element, carries clues to what the universe was like during its first five minutes. To read that record, an international team turned to 15 small, remote galaxies whose chemistry has changed very little, preserving a composition close to that of the early […]

A New Helium Measurement Is Testing the Universe’s First Five Minutes

Large Binocular Telescope data cut helium measurement uncertainty threefold. Helium, a light chemical element, carries clues to what the universe was like during its first five minutes. To read that record, an international team turned to 15 small, remote galaxies whose chemistry has changed very little, preserving a composition close to that of the early […]

A New Helium Measurement Is Testing the Universe’s First Five Minutes

Large Binocular Telescope data cut helium measurement uncertainty threefold. Helium, a light chemical element, carries clues to what the universe was like during its first five minutes. To read that record, an international team turned to 15 small, remote galaxies whose chemistry has changed very little, preserving a composition close to that of the early […]

A New Helium Measurement Is Testing the Universe’s First Five Minutes

Large Binocular Telescope data cut helium measurement uncertainty threefold. Helium, a light chemical element, carries clues to what the universe was like during its first five minutes. To read that record, an international team turned to 15 small, remote galaxies whose chemistry has changed very little, preserving a composition close to that of the early […]

A New Helium Measurement Is Testing the Universe’s First Five Minutes

Large Binocular Telescope data cut helium measurement uncertainty threefold. Helium, a light chemical element, carries clues to what the universe was like during its first five minutes. To read that record, an international team turned to 15 small, remote galaxies whose chemistry has changed very little, preserving a composition close to that of the early […]

The Asteroid That Killed the Dinosaurs Was Stranger Than We Thought

Scientists are narrowing down the type of space rock that caused the mass extinction at the end of the Cretaceous period, and new research suggests it was no ordinary rock. The Chicxulub impactor, the space rock that struck what is now Mexico 66 million years ago, left behind an enormous crater but almost nothing of […]

Gender Imbalances in College Majors Are More Complicated Than They Appear

Researchers find that differences in academic preparation and interest in a major do not fully explain why some groups are underrepresented or less likely to stay in that field of study. Engineering and computer science draw far more men than women, but the size of that gap depends partly on students’ academic records before college. […]

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