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For Embryo’s Cells, Size Can Determine Fate
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
New measurements could upend the standard theory of the cosmos that has reigned since the discovery of dark energy 21 years ago.
A Call for Courage as Physicists Confront Collider Dilemma
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
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.
Unexpected ‘Germline’ Plant Cells May Shield New Generations
To avoid passing on new mutations to offspring, plants may minimize the number of divisions by the stem cells that make flowers and seeds.
The Universal Law That Aims Time’s Arrow
A new look at a ubiquitous phenomenon has uncovered unexpected fractal behavior that could give us clues about the early universe and the arrow of time.
Bubble Experiment Finds Universal Laws
Physicists have found examples of “universality” in a system of confined bubbles. The work could help researchers understand the strange behavior of singularities.
Physicists Peer Inside a Fireball of Quantum Matter
Experimenters in Germany have glimpsed the kind of strange, non-atomic matter thought to fill the cores of merging neutron stars.
Sun’s Puzzling Plasma Recreated in a Laboratory
For the first time, researchers have created a scale model of the twisting loops of the sun’s magnetic field.