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Multiple Sclerosis – The Search Narrows

Multiple sclerosis (MS) is a serious autoimmune disease that affects about 3 million people worldwide and over 900,000 in the United States. The disease symptoms are quite varied but typically begin between the ages of 20-40. Symptoms can include vision problems, impaired hearing, decreased taste and smell, headaches, weakness and fatigue, muscle tremors or pain, …


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The Origins of Life

As we contemplate the beginnings of a new year, an interesting paper by Wimmer et al. in Frontiers in Microbiology reexamines the beginnings of the first biochemical compounds. We know the Earth formed about 4.5 billion years ago and that life originated about 3.8 billion years ago, but a key question has always been how …

Seasons Greetings

As we approach the end of 2021 I want to wish everyone happy holidays and best wishes for 2022. I haven’t posted much lately as I’ve been hard at work reviewing the final proofs for my upcoming book on virology. In the book, I explore the science, history, and social impact of viruses. Anyone interested …

Did Nature Put a “HEX” on Babies?

Pheromones are chemical compounds released by animals that trigger specific reactions in the recipient, such as mating behavior or aggression. These chemicals are in essence a form of nonverbal communication that is widespread from insects to mammals. However, while the existence of pheromones is well established in animals, it remains controversial for humans. Humans with …

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