Most Recent

Human HARE5 Gene Boosts Mouse Brain Size

Scientists have successfully used HARE5, an enhancer that functions in human cortex development, to boost the size of mouse brains.
Source: https://www.tcd.ie/Zoology/research/WntPathway/wnt2b.php

For a long time, scientists have wondered what distinguishes humans and apes. Once the human and chimp genomes were deciphered about a decade ago, scientists could discover the genetic roots of the human brain size, bipedalism, and the varied diet that makes our species quite successful. Yet, the importance of […]

 
 

Scientists announce anti-HIV agent so powerful it can work in a vaccine

An HIV-infected immune system cell.  
Source: Wikimedia Commons 
(http://commons.wikimedia.org/wiki/File:HIV-infected_T_cell_(6813384933).jpg)

Scientists from The Scripps Research Institution (TSRI) of Florida potentially discovered an anti-HIV drug so powerful that it could serve as a vaccine for HIV in the near future (1). HIV, human immunodeficiency syndrome, works to compromise an infected individual’s immune system by attacking CD4 lymphocytes, a subtype of white […]

 
 

Marijuana turns appetite suppressant into appetite stimulant

Marijuana consumption stimulates the appetite by promoting CB1 activity.

As marijuana use becomes increasingly acceptable, research into the effects of marijuana has recently become more prolific. Tamas Horvath of Yale University and colleagues uncovered the aspects of marijuana use  that triggers appetite and published their results in Nature. Marijuana use stimulates appetite by prompting the CB1 receptor in cells […]

 
 

Closest star flyby of the solar system occurred 70,000 years ago

Images of a red dwarf star, the type of star that was involved in the flyby.
Source: Wikimedia Commons

A group of astronomers from the US, Europe, South Africa, and Chile have determined that, approximately 70,000 years ago, a recently discovered star is likely to have passed through the Oort Cloud, a region at the edge of the solar system from which comets arise (1). Its average distance at […]

 
 

NIH in defense of monkey experiments

Baby rhesus monkey at an NIH lab. Photos obtained by PETA were taken between 2009 and 2012.
NIH/PETA

Due to criticism from the activist group People for the Ethical Treatment of Animals (PETA) and members of Congress, the US National Institute of Health (NIH) recently revised its methods for using monkeys in its lab studies. The attack has been directed at Stephen Suomi, a psychologist at the US […]

 
 
 
 

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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