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Articles by AAAS Science
Science Is Stronger When We Live Our Values: Take the Pledge
This post was co-authored by Dr. Jonathan Riehl. Since January 20, 2025, research and education have been in the cross hairs of the new administration. Research and education funding has been frozen or terminated. Words and stories have been effectively banned from use in funded and proposed research as well as wiped from government websites. Critical public data collection and resources have been halted and removed.
USDA Science Adapts to Communities’ Climate Needs
Posted by Gretchen Kroh, AAAS Science and Technology Policy Fellow, Office of the Chief Scientist in Research and Science Unprecedented floods in Kentucky and Yellowstone, a megadrought in the Southwest, historic wildfires in Alaska—these are some of the many consequences climate change has already wrought onto diverse American communities in 2022, alone. These increasingly common extreme weather events disproportionately affect American rural communities and producers.
Opinion: Coordinated development of emission inventories for climate forcers and air pollutants
As a result of wide-ranging health and environmental impacts of air pollutant SLCF emissions and to facilitate consistent, transparent, comparable, accurate, and complete emission estimates, the IPCC recently directed its Task Force on National Greenhouse Gas Inventories (TFI) to produce an additional IPCC Methodology Report on SLCFs (Decision IPCC-XLIX-7, May 2019).
I Got My Roots at ARS
Posted by Gretchen Kroh, AAAS Science and Technology Policy Fellow, Office of the Chief Scientist in Research and Science Dec 23, 2021 Years ago, I spent my days watching pecan roots change the color of solutions from clear to red as they reduced iron for uptake.
NSF supports researchers through the COVID-19 pandemic
Dr. Carlos Peredo, a paleontologist and early career scientist, had been looking forward to the opportunities that his new, two-year NSF postdoctoral fellowship would provide him with at the University of Michigan. In particular, access to the paleontological collection in the museum in Ann Arbor would really be a boon to his research. But then the pandemic hit, and the museum that Peredo was relying on closed its doors for the duration. "I haven't held a fossil for a year-and-a-half," he said.
NSF101: Expanding pathways to STEM careers for veterans
1. Advanced Technological Education program The Advanced Technological Education program supports the education and training of technicians via partnerships among academic institutions, industry, and economic development agencies. Several initiatives under this program help to support veterans.
Promoting diversity and inclusivity in geoscience by confronting its past
Tamara Pico is an assistant professor in earth and planetary sciences at the University of California, Santa Cruz whose NSF-funded research involves reconstructing ice sheets from the past. She studies how the Earth's surface deforms under the weight of ice sheets and uses this information to calculate ancient sea levels.
Biofuels: Ready to Fly into the Future
Posted by Justin Bredlau, PhD, AAAS Science & Technology Policy Fellow, Office of the Chief Scientist and William Goldner, PhD, Senior Advisor for Renewable Energy, Natural Resources, and Environment, Office of the Chief Scientist in Climate Energy Research and Science Sep 13, 2021 Imagine flying from Los Angeles to the Washington, D.C. region on a plane fueled with American farm products or forestry waste. Sounds farfetched? Well, it is already becoming a reality.
Exploring the undiscovered country: The deep ocean
The oceans cover 71% of the Earth's surface, but house 99% of the world's biosphere – the areas where living organisms are found. Therefore, most of the world's biosphere is a deep ocean environment, where it's pitch black, the temperature is just above freezing, and it's subject to crushing pressures. The ocean has an average depth of approximately 3.7 kilometers (2.3 miles).
GEOTRACES research voyages: Studying rare substances in the oceans
Trace elements are rare but can be incredibly important. Some, such as iron, are micronutrients – similar to vitamins, they are needed only in very small amounts but are essential. Others, like mercury or cadmium, can be toxic. Certain trace elements can be important indicators that help scientists better understand ocean dynamics. For example, levels of a form of neodymium can help scientists monitor ocean circulation.
#NSFStories: Voyage to the bottom of the sea
Twelve people have been to the moon, but until 2019, only three people had been to the deepest part of the ocean: Challenger Deep, a trench off the Mariana Islands that lies nearly 11 kilometers below the surface of the western Pacific Ocean. Recently, Nicole Yamase became the first Pacific Islander to visit it.
A black hole collision: From theory to evidence
The creation of a black hole is one of the most violent events in the universe. Formed from the explosive collapse of a massive star, a black hole is a monster that consumes everything that comes too close, including light. The matter around some black holes are sources of huge amounts of electromagnetic radiation -- the radiation enables us to “see” the black holes. And when a black hole collides with another black hole, space itself moves.
Creatine-mediated crosstalk between adipocytes and cancer cells regulates obesity-driven breast cancer
Highlights • Gatm in peritumoral adipocytes promotes breast cancer progression in obesity • Acsbg1 in breast cancer cells promotes breast cancer progression in obesity • Creatine is a metabolite linking these pathways in obesity-dependent tumor growth • Acsbg1 and Gatm in breast cancer patients are linked to disease grade and outcome Summary Obesity is a major risk factor for adverse outcomes in breast cancer; however, the underlying molecular mechanisms have not been elucidated.
A love for marine life
Naiyiri-Blu Brooker grew up in a military family stationed in rural Germany, far from the sea. Nevertheless, she has been obsessed by marine life since childhood. “I would annoy my family by making them sit down in the living room while I gave them a presentation about any type of marine organism I could. I did that for a very long time. Sorry, Mom and Dad.” After her family moved to New York, she enrolled in Lehman College to study biology.
Vertical Farming for the Future
Posted by Sarah Federman, AAAS Science and Technology Policy Fellow, Office of the Chief Scientist and Paul M. Zankowski, Senior Advisor for Plant Health and Production and Plant Products, Office of the Chief Scientist in Research and Science Aug 14, 2018 Indoor and vertical farming may be part of the solution to rising demands for food and limited natural resources.
Growing Connections Across USDA for Innovation in Food Safety and Nutrition
Posted by Stephanie Morris, PhD, AAAS Science & Technology Policy Fellow, Peggy Biga, PhD, AAAS Science & Technology Policy Fellow, Jodi Williams, PhD, Senior Advisor for Nutrition and Food Safety, Office of the Chief Scientist, USDA in Research and Science Dec 18, 2020 The Office of the Chief Scientist works across food safety and nutrition research communities to ensure a safe, plentiful, affordable, and nourishing food supply.
Serving Savory Seafood for 2020 Holiday Meals
Posted by Peggy R.
The Hitler Beetle and Other Oddities of Scientific Naming
As a result, researchers have wide latitude, and not much can be done once a species has entered the permanent record. Scientists usually stick to formal scientific names derived from Latin and Greek, but get the most attention when they target famous people. Barack Obama, for example, has at least 13 animals (and one fungus) named in his honor as a president who worked hard to expand conservation protections in the United States.
The Hitler Beetle and Other Oddities of Scientific Naming
As a result, researchers have wide latitude, and there isn’t much that can be done once a species has entered the permanent record. Scientists usually stick to formal scientific names derived from Latin and Greek, but get the most attention when they target famous people. Barack Obama, for example, has at least 13 animals (and one fungus) named in his honor as a president who worked hard to expand conservation protections in the United States.
STPF at the March for Science (with images, tweets) · STPF
Are you sure you want to change your username? Changing your username will break existing story embeds, meaning older stories embedded on other Web sites will no longer appearOf course not!Yes, change it!
Increasing evidence indicates low bioaccumulation of carbon nanotubes
As the production of carbon nanotubes (CNTs) expands, so might the potential for release into the environment. The possibility of bioaccumulation and toxicological effects has prompted research on their fate and potential ecological effects. For many organic chemicals, bioaccumulation properties are associated with lipid–water partitioning properties. However, predictions based on phase partitioning provide a poor fit for nanomaterials.
USDA Engages Public through Crowdsourcing and Citizen Science
Recently, USDA participated in the White House launch of the Federal Crowdsourcing and Citizen Science (CCS) Toolkit. By providing federal employees with information about developing CCS activities, the Toolkit will eventually allow the Federal government to design more programs that ask citizens to help us in solving both simple and complex problems. Now, USDA is excited to announce our role in helping to harness “the power of the crowd” with the official release of CitizenScience.gov.
USDA’s Commitment to Develop Food and Agricultural Workforce of the Future
Nearly 99% of farms in the United States are family operated, and they account for roughly 90% of agricultural production. With statistics like these, it’s not surprising that many people associate jobs in agriculture with small-town America, farmers and tractors, and corn fields and cattle. While the importance of farmers cannot be overstated, the diversity of careers available in the agricultural sector is staggering and often underappreciated.
Genomics and Precision Agriculture: The Future of Farming
For nearly 400 years, Thanksgiving has been a time in North America when families come together to celebrate food and agriculture. As we reflect on yet another year, agricultural scientists at USDA continue to keep a wary eye on the future. At the end of what may be the hottest year on record, a period of drought has threatened the heart of one of the most important agricultural production zones in the United States.
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