Most Recent

Shrinking Salamanders in the Face of Climate Change

Some species of salamanders are already evolving in response to the novel environmental conditions produced by climate change. Source: http://commons.wikimedia.org/wiki/File:Meyer_Zeit-Vertreib_1_Tafel_054.jpg

Recent evidence suggests that some organisms are already undergoing phenotypic changes as a result of climate change. Researchers Nicholas M. Caruso et al. compared historical and contemporary size measurements for 15 salamander species in genus Plethodon  from 102 populations, discovering that six of the species have shrunk significantly in body...

 
 

Voyager 1 Reaches Interstellar Space

Don Gurnett, on the left, during his talk at the Dartmouth physics colloquium. Photo: Merritt Losert '17

On Friday, April 4, Don Gurnett, a professor of physics and astronomy at the University of Iowa, gave a talk about the history and science of the Voyager missions. The Voyager probes have been two of the most important ever launched. They explored the far reaches of the solar system,...

 
 

The Chelyabinsk Asteroid

The Chelyabinsk Asteroid

This February, the largest asteroid since 1908 impacted the planet’s surface near the city of Chelyabinsk in the Urals region of Russia (Figure 1). In an article published in Nature, Quirin Schiermeier reported that the asteroid shone 30 times brighter than the Sun and moved through the Earth’s upper atmosphere...

 
 

Nanoparticles: Designing Medicine at the Molecular Level

Six chemotherapy drugs commonly used to treat cancer.  Advances in nanoparticle technology will help reduce the awful side effects of these drugs.
Source: Wikimedia Commons

The greatest problem with traditional cancer treatments is lack of specificity. Treatments such as radiation therapy and chemotherapy kill healthy cells along with tumor cells, causing negative side effects in patients (1). Scientists believe that nanotechnology-based treatments can solve the issue of specificity. Nanoparticles used to treat cancer are approximately...

 
 

Study Finds that Smoking Bans are Linked to Quitting Attempts

No smoking. Source: A No Smoking Sign
http://en.wikipedia.org/wiki/File:No_Smoking.svg

A November 2013 study suggests that smoking bans succeed in causing smokers to quit smoking. The study, entitled “Smoking ban policies and their influence on smoking behaviors among current California smoker: A population-based study,” investigated the habits of smokers from California in relation to perceived and actual smoking bans. The...

 
 
 
 

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.

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