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Dwarf Galaxies Dim Hopes of Dark Matter
...the gamma-ray excess is still viable, for now. “It is what it is,” said Savvas Koushiappas, a physicist at Brown University and co-author of another recent analysis of gamma rays...
Breakthrough DNA Editor Born of Bacteria
...just one of several prominent awards Doudna has won in recent months for her work on CRISPR; National Public Radio recently reported whispers of a possible Nobel in her future....
Did Neurons Evolve Twice?
...unlikely to have evolved twice. But new support for Moroz’s idea comes from recent genetic work suggesting that comb jellies are ancient — the first group to branch off the...
A Surprise for Evolution in Giant Tree of Life
...a branch, the researchers started with the two species within a closely related taxonomic group that have the most recent common ancestor. Then they added the next closest species, and...
Scientists Map 5,000 New Ocean Viruses
...difficult to determine where it came from. In recent years, scientists have managed to bring some order to this chaos. Matthew Sullivan, an environmental virologist at the University of Arizona,...
Decoding the Remarkable Algorithms of Ants
...processes that drive them to forage override the response to the mess. You’re also exploring how ants resemble neurons. An ant adds up its recent interactions to decide what to...
Visions of Future Physics
...This obsession takes him in several directions, but in recent years one question about the universe has come to preoccupy him, along with the field as a whole. Particle physicists...
The Incredible Shrinking Sex Chromosome
...system is highly flexible and evolving rapidly. Recent studies of these different animals are helping scientists understand what happens when sex chromosomes shrink and disappear. “Sex determination is probably the...
Math Quartet Joins Forces on Unified Theory
...mathematics departments in the world. That a number of elite mathematicians would come out of the same class at a top university is unusual, but not unprecedented. The most recent...