Category: News

  • As gas prices fall, consumers going back to less fuel efficient vehicles

    There were high-fives this week from Detroit to Washington, D.C., as carmakers celebrated record auto sales.Americans bought 17.5 million cars and trucks in 2015. That's a huge turnaround from 2009, and the Obama administration cheered the rebound as vindication of the president's decision to rescue General Motors and Chrysler from bankruptcy."Because of the policy decisions…

  • Testing chemical toxicity challenge announced by USEPA + National Institutes of Health

    Today, the U.S. Environmental Protection Agency (EPA) and the National Institutes of Health’s (NIH) National Center for Advancing Translational Sciences (NCATS), and NIH’s National Toxicology Program (NTP) within the National Institute of Environmental Health Sciences (NIEHS) are announcing a new challenge that will award up to $1 million to improve the relevance and predictivity of…

  • How competition for sunlight shapes forest structure

    Despite their diversity, the structure of most tropical rainforests is highly predictable. Scientists have described the various sizes of the trees by a simple mathematical relationship called a power law.In a new study using data from a rainforest in Panama, researchers determined that competition for sunlight is the underlying cause of this common structure, which…

  • New Federal dietary guidelines recommend eating less meat

    Many Americans, especially men and teenage boys, eat too much red meat, poultry and eggs, and should reduce their consumption, according to new federal dietary guidelines jointly released today by the U.S. Department of Agriculture and the Department of Health and Human Services. Reducing Americans’ meat consumption will not only help improve public health, but…

  • Anthropogenic nitrogen being added to oceans far less than previously assumed

    A new study finds that human activities are likely contributing far less nitrogen to the open ocean than many atmospheric models suggest. That's generally good news, but it also nullifies a potential side benefit to additional nitrogen, says Meredith Hastings, associate professor of Earth, environmental and planetary sciences at Brown University and one of the…

  • Tiny chameleons deliver powerful tongue-lashings

    A new study reports one of the most explosive movements in the animal kingdom: the mighty tongue acceleration of a chameleon just a couple of inches long. The research illustrates that to observe some of nature’s best performances, scientists sometimes have to look at its littlest species.

  • Lawrence Livermore Laboratory developing underground battery system to store energy and CO2

    Meeting the Paris Climate Agreement goal of limiting the increase in the global average temperature to well below two degrees Celsius compared to pre-industrial levels will require increased use of renewable energy and reducing the CO2 intensity of fossil energy use.The intermittency of when the wind blows and when the sun shines is one of the…

  • Understanding oxygen concentrations 1.4 billion years ago

    Oxygen is crucial for the existence of animals on Earth. But, an increase in oxygen did not apparently lead to the rise of the first animals. New research shows that 1.4 billion years ago there was enough oxygen for animals – and yet over 800 million years went by before the first animals appeared on…

  • How you manage your email can affect your stress level

    New research suggests that it's not just the volume of emails that causes stress; it's our well-intentioned habits and our need to feel in control that backfires on us.These are some of the key findings presented next week, Thursday 7 January 2016, at the British Psychological Society's Division of Occupational Psychology annual conference in Nottingham…

  • Volunteering is good for your health!

     Eric Kim, a research fellow in the Department of Social and Behavioral Sciences at Harvard T.H. Chan School of Public Health, recently led the first study to look at a possible link between volunteering and health care use in older adults.Why did you decide to study volunteering from a public health perspective?There is a growing body of research showing…