Roughly one in four U.S. households have soil exceeding the new U.S. Environmental Protection Agency’s lead screening levels of 200 parts per million (ppm), halved from the previous level of 400 ppm, a new study found. For households with exposure from multiple sources, the EPA lowered the guidance to 100 ppm; nearly 40% of households […]

Eye-contact has a significant impact on interpersonal evaluation, and online job interviews are no exception. In addition to the quality of a resume, the direction of the interviewee’s gaze might help (or hinder) their chances of securing the job. Read Full Article (External Site) Dr. David LowemannDr. David Lowemann, M.Sc, Ph.D., is a co-founder of […]

Cumulative culture — the accumulation of technological modifications and improvements over generations — allowed humans to adapt to a diversity of environments and challenges. But, it is unclear when cumulative culture first developed during hominin evolution. A new study concludes that humans began to rapidly accumulate technological knowledge through social learning around 600,000 years ago. […]