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Our toxicologists design, implement, conduct and manage a wide range of laboratory and field-based bioassays, investigations and other tests to fill key data gaps and increase our understanding of the adverse effects of chemicals, mixtures, and other stressors on numerous organisms, including bacteria, algae, invertebrates, fish, reptiles, birds, and mammals.

Indonesia is an archipelago nation with more than 17,000 islands. Traditionally, communities have mapped their borders, relying on natural landmarks. However, the number of communities with accurate maps remains low.   Resolving this uncertainty allows…

As conditions for the adoption of productive uses of energy improve in sub-Saharan Africa, this paper makes suggestions to accelerate their adoption.

Where students go to college is key to their educational attainment and later economic success. However, 41 percent of students nationally and about half of those from lower socioeconomic backgrounds undermatch—meaning they don’t attend college or they…

Abt supports HRSA’s rural opioid response by evaluating RCORP grants, strengthening reporting quality, and guiding targeted support for communities.

Millions of U.S. children receive free or reduced-price lunches each school day, but that number drops greatly during summer. In 2014, summer nutrition programs reached only about 16 percent of the children who received food assistance during the year…

People with a substance use disorder are overrepresented in the justice system, from the arrest phase to incarceration to the risk for recidivism. For example, more than 10 times as many people in prison (58 percent) and sentenced to jail (63 percent)…