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Cosmic Triangles Open a Window to the Origin of Time
...time evolution, this for me was the clearest instance of the emergence of time,” said Baumann, who is now a professor at the University of Amsterdam. In this and a...
Secrets of Math From the Bee Whisperer
...insight into the evolution of numerical ability. Is this evolution divergent? Convergent? Parallel? There is a big debate about numerical ability in animals. One side argues that numerical cognition —...
‘Radical Change’ Needed After Latest Neutron Star Collision
...aspects of binary star evolution are poorly understood, including how the stars exchange mass and get close enough to merge. “We know a great deal about stellar formation and evolution,...
What Might Be Speeding Up the Universe’s Expansion?
...of radiation emitted shortly after the Big Bang. This radiation reveals the precise ingredients of the early universe. Cosmologists plug the ingredients into their model of cosmic evolution and run...
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...