Twenty years ago, two chunks of rock plummeted from space. One landed in Texas in March, only yards away from a children’s basketball game. The other hit the ground in Morocco five months later. At the time, no one guessed that the meteorites carried some very unique passengers: crystals embedded with clues to the origins of life on Earth.
If you’re in North America, chances are you’ve heard that there will be a solar eclipse on August 21. You may even be traveling—or know people who are traveling—a goodly distance for the best view of what is essentially a monumental overcast.
So what’s the big deal?
Glad you asked! We’ve got answers to your most burning questions about the solar event of the century.
Posted on August 14, 2017 - 4:35pm
A new study led by UC Berkeley Lab researcher Trevor Keenan suggests that increased plant growth is slowing the accumulation of carbon dioxide in the atmosphere, a finding that could help explain the mystery of why the uptick in CO2 concentrations has leveled off since 2002, even as emissions have increased. “We believed one of the planet’s main carbon sinks had unexpectedly strengthened,” Keenan explained in a Lab press release. “The question was: which one?”
When we say “internal compass,” we’re usually referring to something metaphorical, a person’s innate sense of right and wrong. But for UC Berkeley microbiologists Arash Komeili and David Hershey, the term is literal: The two study magnetotactic bacteria, which navigate using tiny magnetic iron crystals called magnetosomes.