Do protons have intrinsic charm? New evidence suggests yes
00:47 Evidence of a proton\u2019s charm
For decades, scientists have debated whether protons have \u2018intrinsic charm\u2019, meaning they contain elementary particles known as charm quarks. Now, using machine learning to comb through huge amounts of experimental data, a team have shown evidence that the charm quark can be found within a proton, which may have important ramifications in the search for new physics.
Research article: The NNPDF Collaboration
News and Views: Evidence at last that the proton has intrinsic charm
11:26 Research Highlights
How sea sponges \u2018sneeze\u2019 to clean their filters, and why bonobos\u2019 infantile behaviour helps them receive consolation after conflict.
Research Highlight: How a sponge \u2018sneezes\u2019 mucus: against the flow
Research Highlight: Bonobo apes pout and throw tantrums \u2014 and gain sympathy
13:52 Briefing Chat
We discuss some highlights from the Nature Briefing. This time, the repeated evolution of the crab body-shape, and why demanding work can lead to mental fatigue.
Discover: Evolution Only Thinks About One Thing, and It\u2019s Crabs
Nature News: Why thinking hard makes us feel tired
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