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Skin color differences inadequate for vitamin D3 compensation in northerners

Skin color differences inadequate for vitamin D3 compensation in northerners

Recent evidence suggests that a non-pigmentation mutation of the epidermal structural protein filaggrin (FLG) better explains how populations in northern latitudes, namely northern Europeans, compensate for lower levels of ultraviolet-B light exposure (1). Scientists from the University of San Francisco compiled loss-of-function FLG mutation prevalence data from various populations and […]

 
 

A Semi-Synthetic Organism: The Third DNA Base Pair?

A Semi-Synthetic Organism: The Third DNA Base Pair?

The Romesberg team at The Scripps Research Institute (TSRI) recently created an unnatural DNA base pair that can be incorporated into the genome of E. coli. While in nature the genetic code only contains two DNA base pairs, A-T and C-G, these researchers have made a bacterium that can “stably […]

 
 

Cognition is Rhythmic

Cognition is Rhythmic

Researchers at MIT’s Department of Brain and Cognitive Sciences have evidence that one of the ways the brain stores its massive amount of information is through rhythmic cycles of cell communication. “Everyone knows that you can’t consciously hold two distinct ideas in your head at the same time,” says Earl […]

 
 

Sensitization after an Injury Increases Survival

Sensitization after an Injury Increases Survival

Researchers at the University of Texas Medical School released the first piece of concrete evidence that nociceptive sensitization results in an adaptive advantage. Using squid (Doryteuthis pealeii)as their test organism, the scientists demonstrated that both behavioral and neurological changes resulting from noxious stimuli, like a minor injury, increase the likelihood […]

 
 

Transmission of Trauma by Sperm RNA

Transmission of Trauma by Sperm RNA

  The effects of trauma can be passed down through generations, resulting in psychiatric disorders like depression in offspring. Researchers have found small non-coding RNAs (sncRNAs), molecules that could be the link between environmental factors, like trauma, and genes (1). Both genetic make-up and environmental factors serve as important contributors […]

 
 
 
 

Mission Statement

Founded in 1998, the Dartmouth Undergraduate Journal of Science aims to increase scientific awareness within the Dartmouth community by providing an interdisciplinary forum for sharing undergraduate research and enriching scientific knowledge.

Want to join the DUJS staff?

All the undergraduates of Dartmouth College are welcome to join our staff. Our staff includes students interested in writing, editing, photography, graphics, web design, and more! Please contact us to be added to our e-mail list. Staff meetings are Thursday evenings at 8 pm in Carson L02.