How Did Different Skin Color Evolve? - Emma Bryce, Scienceline

So here’s a thought: How did different skin colors evolve? Evolutionary biologist Nina Jablonski wrote the most widely accepted theory in 2000, saying that it comes down to a...

Daily Vitamins: More Harm Than Good - Peter Murray, Singularity Hub

“Don’t forget to take your vitamins?”That healthful reminder from mom may soon become a thing of the past. While dietary supplements remain popular in the US, a...

Low Vitamin B12 Linked to Smaller Brain Size - Alice Park, Time

Older people may not be getting enough vitamin B12, and that could affect their thinking and the size of their brain, according to a new study. The researchers found that low levels of...