Frank Schnell
Dr. Frank Schnell, PhD, is a retired toxicologist from the Agency for Toxic Substances and Disease Registry, part of the CDC, in Atlanta, Georgia.
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Digital Content May Be Shaping Visual Perception Itself
To adult audiences in 1977, "Star Wars" was the most realistic special effects they had ever witnessed while to younger people of today, the defects are obvious. Some of that is due to better…
The Dose Makes The Poison - And That Is Why Venom May Soon Be A New Medicine
In the 16th century, it was shown by Paracelsus that 'the dose makes the poison' - too much medicine or anything else could kill while too little did nothing. In the 21st century activists have…
Health Disinformation Didn't Start With COVID-19, Lessons From The Past Can Help Combat It
Anti-vaccine sentiment is not new but from the 1950s until the late 1990s it was isolated small pockets of deniers. With claims that MMR vaccines, and then preservatives in vaccines, caused autism,…
Wine Yeast Genomes Lack Diversity
Sequencing the genomes of hundreds of strains of the wine yeast S. cerevisiae has revealed little genetic diversity and high levels of inbreeding. In many cases, yeast strains sold by different…