Gamma-ray bursts are the most powerful explosions in the cosmos. These explosive events last a fraction of a second to several minutes and emit the same amount of gamma rays as all the stars in the universe combined. Such extreme amounts of energy can only be released during...
source: George Washington University via ScienceDaily
From 1940 to about 1975, the average global surface temperature decreased by about 0.1 degrees Celsius, interrupting a decades-long warming trend even as carbon emissions continued to rise. Many scientists thought the cooling trend was possibly...
source: Science News
The National Nanotechnology Initiative (NNI) provides funding for foundational research in nanotechnology, as well as nanomaterial health and safety research. The recently released supplement to the president's 2020 budget requests...
source: Duke SciPol.org
EPA has broadened a proposed rule, first proposed in April 2018, that requires that the agency whenever possible rely on studies for which all underlying data and models are publicly available to promulgate "significant...
source: Duke SciPol.org
The Defense Innovation Board within the Department of Defense (DoD) released a set of five ethics principles for the agency to consider when developing and using artificially intelligent systems in combat and non-combat...
source: Duke SciPol.org
As this lake system became popular for real estate and recreation, one scientist documented how its water quality and overall ecology deteriorated.
source: American Scientist
Studies in the Great Lakes and beyond highlight the ubiquity of microplastics in our rivers and drinking water.
source: American Scientist

A STEM Art and Film Festival on November 17 celebrated visual arts...
source: Sigma Xi
The 2018–2019 Chapter of Excellence and Chapter Program of Excellence award winners were announced at the 120th Assembly of Delegates on November 14 in Madison, Wisconsin.
source: Sigma Xi

Linda Mantel has received Sigma Xi's top volunteer award, the Evan Ferguson Award for Service to the...
source: Sigma Xi
It's time to renew dues for membership, the Affiliate Circle, or Sigma Xi Explorers for fiscal year 2020 (July 1, 2019-June 30, 2020). Renewing online is easy. Continue the honor, renew today! Thank you to those who already renewed.
source: Sigma Xi
Look for an email or postcard with instructions to verify your member data. Sigma Xi will use your updated information in our database and to create a new member directory. Details about the project are posted online.
source: Sigma Xi
Active members received an email on November 18 from elections@vote-now.com with a ballot to vote online in Sigma Xi's elections. The voting period concludes on December 17.
source: Sigma Xi
Giving Tuesday, a global day of giving, is December 3! Our goal is to support STEM education by raising $30,000 to send American Scientist subscriptions to 1,300 high schools. Join our effort by donating and nominating schools.
source: Sigma Xi
Sigma Xi members, researchers, science supporters, and students came together at the Monona Terrace Community and Convention Center in Madison, Wisconsin, on November 14-17 for the 2019 Sigma Xi Annual Meeting and Student Research Conference. This year’s theme was...
source: Sigma Xi