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How Earth’s Climate Changes Naturally (and Why Things Are Different Now)
...atmosphere from vaporized Mexican limestone. How or whether volcanic activity in India around the same time as the impact exacerbated the climate change and mass extinction remains controversial. Evolutionary Changes...
What Is Life? Its Vast Diversity Defies Easy Definition.
...agreed on one thing: life is self‐reproduction with variations. What NASA’s scientists had done in eleven words (“Life is a self‐sustained chemical system capable of undergoing Darwinian evolution”), Trifonov now...
The New Historian of the Smash That Made the Himalayas
...to their positions. And then you think about what does that mean for the evolution of Earth, or the evolution of life. Were you always going to become a geologist?...
Biologists Rethink the Logic Behind Cells’ Molecular Signals
...permits evolution rather than frustrating it. And it could explain why molecular medicine is often so hard: why many candidate drugs don’t do what we hoped, and how we might...
A Solution to the Faint-Sun Paradox Reveals a Narrow Window for Life
...fact reveal the very reason for our existence. The Paradox In the mid-20th century, scientists started to understand the mechanics that drive the evolution of stars like our sun. Deep...
Will the James Webb Space Telescope Reveal Another Earth?
...for particle physics? Do you have a standard model for galaxy evolution or star formation or all that? Rieke (13:36): Well, there’s certainly a kind of commonly accepted framework right...
A Biochemist’s View of Life’s Origin Reframes Cancer and Aging
...mystery led Nick Lane, a professor of evolutionary biochemistry at University College London, to an unorthodox hypothesis about the origin of life. What if life arose in a geological environment...
What Drives Galaxies? The Milky Way’s Black Hole May Be the Key.
Supermassive black holes have come to the fore as engines of galactic evolution, but new observations of the Milky Way and its central hole don’t yet hang together. On May...
Physicists Rewrite a Quantum Rule That Clashes With Our Universe
...configuration has been “encoded” in a larger, eight-digit state. That evolution resembles a unitary one, in that there are two possibilities at the beginning and two at the end. But...