Submissions from pnas.org

• This study, focusing on health measures taken in Wuhan, Italy, and New York City, from January 23 to May 9, 2020, shows that local mask mandates are the determining factor in pandemic trends, above social distancing and washing hands.

  (pnas.org)

  Published 18th Jun 2020
• Humpback whales are not fast and should be easily outrun by their highly prey. Nevertheless, humpbacks are effective predators. Using different sized "predators" (e.g. dots), researchers discovered that whale shadows are so large they do not register as threats to anchovies until their jaws expand.

  (pnas.org)

  Published 25th Dec 2019
• Migrating bison engineer the green wave

  (pnas.org)

  Published 24th Dec 2019
• Researchers discovered camouflage made of quantum material that could hide you from infrared cameras

  (pnas.org)

  Published 18th Dec 2019
• How the phage T4 injection machinery works including energetics, forces, and dynamic pathway

  (pnas.org)

  Published 12th Dec 2019
• Killer whale grandmothers increase fitness of their grandchildren, which could explain why they have evolved the longest post-reproductive lifespan of all nonhumans.

  (pnas.org)

  Published 11th Dec 2019
• India can sustainably enhance its food supply if its farmers plant less rice & more nutritious and environmentally-friendly crops, including finger millet, pearl millet, & sorghum, according to a study. Diversifying India's crops could provide better nutrition for 200 million undernourished people .

  (pnas.org)

  Published 8th Dec 2019
• Cornell University researchers show that mechanical stresses can interrupt the structure and function of a molecular assembly used by bacteria for survival and growth in the presence of toxins. They further suggest that mechanical forces may be used synergistically with other antimicrobials.

  (pnas.org)

  Published 3rd Dec 2019
• A new suction-cup with electrode attachments enable researchers to measure blue whale heartbeats, which can go as low as 2 bpm while deep diving

  (pnas.org)

  Published 27th Nov 2019
• Recent U.S. birth cohorts are experiencing less upward mobility than their parents or grandparents, new study finds. Researchers found ‘substantial’ declines in social mobility over the past 165 years.

  (pnas.org)

  Published 26th Nov 2019
• The difference between brain age estimated from MRI & chronological age was significantly associated with the risk of dementia. This difference between MRI & chronological age is potentially a biomarker for early dementia risk screening.

  (pnas.org)

  Published 7th Oct 2019
• A drug cocktail combining low doses of three medications was able to increase the life span of fruit flies by 48%. With increasing life expectancy in humans, therapeutic mixtures like this could potentially prevent diseases associated with aging and give people healthy final years.

  (pnas.org)

  Published 1st Oct 2019
• Plastic bottles discarded from merchant ships may be the main drivers of plastic bottle pollution in the central South Atlantic Ocean, according to a new study.

  (pnas.org)

  Published 1st Oct 2019
• Biological clock influences immune response efficiency: CD8 T cells, essential to fight infections and cancers, function very differently according to the time of day - the T cells are more responsive and impactful to their adversaries during the day time as compared to night time.

  (pnas.org)

  Published 25th Sep 2019
• Developing a broadly reactive or “universal” influenza vaccine would save the US $3.5 billion in direct medical costs per year, according to a new study. The benefits would easily outweigh the cost of developing such a vaccine.

  (pnas.org)

  Published 24th Sep 2019
• Negative news is more often published than positive news because on average. humans tend to react more strongly to negative information, according to a new, global study.

  (pnas.org)

  Published 23rd Sep 2019
• DNA is held together by hydrophobic forces: Hydrophobic catalysis and a potential biological role of DNA unstacking induced by environment effects

  (pnas.org)

  Published 23rd Sep 2019
• The production of cement is a major source of greenhouse gas emissions, accounting for about 8 percent of all such releases. Scientists come up with a new way of manufacturing the material that could eliminate these emissions altogether, and could even make some other useful products in the process.

  (pnas.org)

  Published 17th Sep 2019
• An analysis of over 2,500 published psychological science papers found that a large majority appeared to overgeneralize findings from limited samples in their titles, abstracts, and highlights.

  (pnas.org)

  Published 16th Sep 2019
• Vaccine against deadly superbug effective in mice -Scientists have produced and tested, in mice, a vaccine that protects against a worrisome superbug: a hypervirulent form of the bacteria Klebsiella pneumoniae.

  (pnas.org)

  Published 1st Sep 2019
• Quantum computers capture headlines, but a quieter revolution in the world of quantum sensors may be just as profound

  (pnas.org)

  Published 22nd Aug 2019
• Scientists have discovered that the building blocks of proteins can stabilize cell membranes. This finding may explain how the first cells emerged from the primordial soup billions of years ago.

  (pnas.org)

  Published 13th Aug 2019
• A massive atmospheric release of radioactive ruthenium in 2017 was likely caused by an undeclared nuclear accident at the Mayak Production Association in southern Russia according to a comprehensive analysis of European radionuclide monitoring data.

  (pnas.org)

  Published 31st Jul 2019