BESIII reports new measurement of R ratio

The BESIII Collaboration has measured the R ratio in the low center-of-mass (c.m.) energy region. The results were published online in Physics Review Letters.

Scientists discover how galaxies can exist without dark matter

In a new Nature Astronomy study, an international team led by astrophysicists from the University of California, Irvine and Pomona College report how, when tiny galaxies collide with bigger ones, the bigger galaxies can strip ...

Protons are likely smaller than previously believed

A few years ago, a novel measurement technique showed that protons are probably smaller than had been assumed since the 1990s. The discrepancy surprised the scientific community; some researchers even believed that the Standard ...

How carbon labels can aid in the fight against climate change

Carbon labels can be effective in changing corporate as well as consumer behavior, as corporations adjust their carbon footprint with the dual goals of increased efficiency and improved reputation, according to newly published ...

Report: US carbon emissions grew in 2021

In the face of presidential orders and a flurry of legislation to curb carbon emissions, the volume of climate-warming gasses pumped into the atmosphere in the U.S. grew by more than 6 percent in 2021 after a pandemic-driven ...

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