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Biology

Enough Diet Soda? Respect the Microbiota...

Intestinal microbes impact weight gain, dictate food allergies, and activate neural pathways that regulate stress and depression. They eat what we eat, whether it is a cheeseburger, a kale salad, or in today’s world, an extra large diet soda. A recent…

Marine Mercury Rising

Nearly 60 years ago a mysterious illness swept through families in fishing villages along Japan’s Minamata Bay. Those affected presented symptoms of a neurological disease: loss of feeling in the limbs, impaired vision, difficulty walking, and trouble…

Genes or Junk: Measuring the Functional Genome

In 2001, scientists published a (mostly) complete sequence of the human genome, the DNA that’s spread over our 23 chromosomes and contains the information that dictates the function of our cells and the development of our bodies [1].  Over a decade…

Total recall: using light to create and erase memories

The fundamental nature of memory has eluded philosophers and scientists for over two millennia.  As early as 350 B.C., Aristotle conjectured that the mind was like a blank wax tablet, or tabula rasa, imprinted with one’s experiences but only made…

Why the West African Ebola Outbreak Is the Deadliest Ever

The current Ebola outbreak in the West African nations of Guinea, Liberia, and Sierra Leone has received a lot of media attention, with terrifying news headlines such as “Deadliest Ever Outbreak of Ebola” appearing across the globe [1]. And this is…

CRISPR: A game-changing genetic engineering technique

Have you heard? A revolution has seized the scientific community. Within only a few years, research labs worldwide have adopted a new technology that facilitates making specific changes in the DNA of humans, other animals, and plants. Compared to…

Removing Threat from Invasive Species with Genetic Engineering?

Cane Toad on Grass. Image from SamFraser-Smith, National Wildlife Federation, www.nwf.orgA recent publication from Harvard scientists outlines the potential of a cutting-edge technology, CRISPR, to improve on an old technology called Gene Drives in order…

Part mouse, Part human

 Let’s consider a virus like Human Immunodeficiency Virus (HIV). If we want to study it in a lab setting, we need an animal model, that is a living entity that we can infect and observe for a certain period of time. We cannot infect humans for obvious…