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The Puzzling Search for Perfect Randomness

August 20, 2019

Does objective, perfect randomness exist, or is randomness merely a product of our ignorance?

Can New Species Evolve From Cancers? Maybe. Here’s How.

August 19, 2019

Researchers agree it’s a long shot, but transmissible cancers could theoretically evolve into independent species. Certain weird parasites might be living proof.

To Make Two Black Holes Collide, Try Three

August 15, 2019

How do black holes merge and make gravitational waves? Maybe with a little help from their friends.

New Proof Settles How to Approximate Numbers Like Pi

August 14, 2019

The ancient Greeks wondered when “irrational” numbers can be approximated by fractions. By proving the longstanding Duffin-Schaeffer conjecture, two mathematicians have provided a complete answer.

Color Me Polynomial

August 13, 2019

Polynomials aren’t just exercises in abstraction. They’re good at illuminating structure in surprising places.

For Embryo’s Cells, Size Can Determine Fate

August 12, 2019

Modeling suggests that many embryonic cells commit to a developmental fate when they become too small to divide unevenly anymore.

Cosmologists Debate How Fast the Universe Is Expanding

August 8, 2019

New measurements could upend the standard theory of the cosmos that has reigned since the discovery of dark energy 21 years ago.

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A Call for Courage as Physicists Confront Collider Dilemma

August 7, 2019

Carlo Rubbia, leader of the bold collider experiment that in 1983 discovered the W and Z bosons, thinks particle physicists should now smash muons together in an innovative “Higgs factory.”

In Brain’s Electrical Ripples, Markers for Memories Appear

August 6, 2019

Researchers found that elongating certain brain signals in rats improved their memory. The work revealed a new property to look out for in the hunt for “biomarkers” of learning.

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