Science & Environment
Rocky Mountain Biological Laboratory trains the next generation of scientists
Young campers learn from some of the most esteemed researchers in the state surrounded by some of the most pristine learning environments.
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Season 11 Episode 22 | 19m 2s | CC
We’ve known since 1929 that the universe is expanding, and since 1998 that it’s speeding up. The unknown force behind this acceleration is called “dark energy,” assumed to stay constant in density. But new evidence hints it may change over time, possibly explaining why major measurements of the universe’s expansion rate don’t agree.