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Front Matter
Researchers and participants should move toward a shared understanding of what citizen science is, what it is not, and what criteria projects must fulfill to ensure high-quality participatory research.
Image credit: David Cutler (artist).
In the last few years, astronomers have started to get glimpses into the planet nurseries formed from newborn stars, revealing important clues as to exactly how planets form.
Image credit: Shutterstock/Neo Edmund.
In the News
Simulations of future California climate suggest that under high CO2 conditions, by the late 21st century, increasing temperatures could lead to reduced snowpack, drier summers, and increased fire risk, independent of changes in winter precipitation.
Image courtesy of Alan H. Taylor.
Researchers report a system for obtaining information about planetary motions approximately 200 million years ago, and the system could help constrain models of Solar System evolution and provide tests of gravitational models.
Image courtesy of Paul E. Olsen.
Compared with female co-twins not exposed to a male co-twin inside the uterus, female co-twins exposed to a male co-twin had 15.2% higher probability of dropping out of high school, 8.6% lower earnings at age 32, and 5.8% fewer children, according to a study.
Image courtesy of iStock/Avril Morgan.
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Erin Cech discusses parenting and gender disparities among STEM professionals.
FEATURED PROFILE
PNAS Profile of NAS member Angelika Amon, winner of the 2019 Vilcek Prize in Biomedical Science
Image courtesy of Samara Vise (Koch Institute for Integrative Cancer Research, Cambridge, MA.)
