• Scientists believe that G2, although unidentified, orbits around the massive black hole Sagittarius A* at the center of our Milky Way, photographed in this image by NASA’s Spitzer Space Telescope.
  • A diagram of the bird wing, including the bird wrist and its constituent bones.
  • Exosomes from human breast cancer cells co-injected with noncancerous human epithelial into healthy female mice induced tumor growth of the epithelial cells. These exosomes contain pre-miRNA and Dicer protein that can interact to affect oncogenic gene expression.
  • A full body PET scan using 2-fluorodeoxyglucose. 
Copyright SEELA, UCLA
  • STEM Panel & Guide
  • An aerial shot of the European Organization for Nuclear Research (CERN). It is based in the northwest suburbs of Geneva on the Franco-Swiss border, and operates the Large Hadron Collider, the world’s most powerful particle collider.
  • Pollinators, like bees, fertilize crops high in essential nutrients.
Scientists believe that G2, although unidentified, orbits around the massive black hole Sagittarius A* at the center of our Milky Way, photographed in this image by NASA’s Spitzer Space Telescope.

New theory on identity of mysterious formation at center of the Milky Way

In 2012, scientists detected infrared emissions from an unidentified formation named G2 that suggested a collision course that tracked the formation’s progress toward the center of the Milky Way. Originally believed to be a pure gas cloud, G2 was predicted to produce immense radiation signals as it approached Sagittarius A* […]

A diagram of the bird wing, including the bird wrist and its constituent bones.

The Evolution of Bird Wrists from Dinosaurs Wrists

Alexander Vargas of the University of Chile has solved the mystery of how dinosaur wrists evolved into bird wings. To do so, he and his team united the fields of embryology and paleontology. By approaching this problem in a new way, he could explain some aspects of bird evolution, such […]

Exosomes from human breast cancer cells co-injected with noncancerous human epithelial into healthy female mice induced tumor growth of the epithelial cells. These exosomes contain pre-miRNA and Dicer protein that can interact to affect oncogenic gene expression.

Cancer cells can induce normal cells to turn cancerous

According to the current understanding, cancer develops when a single, aberrant cell proliferates into a full-fledged tumor. However, new evidence suggests that cancer cells can also transform healthy cells into tumorous ones via an “oncogenic field effect.” This research could lead to a more complete understanding of the spread of […]

A full body PET scan using 2-fluorodeoxyglucose. 
Copyright SEELA, UCLA

Positron Emission Tomography in Neuroscience and Diabetes

The Yale PET Center is experimenting with ways in which positron emission tomography, previously a tool used preferentially for brain imaging studies, can be generalized to study the concentrations of clinically relevant chemical substances in other parts of the body. The center, headed by Professor of Biomedical Engineering Richard Carson, […]

STEM Panel & Guide

STEM Panel & Guide

DUJS STEM Guide 2014 (PDF)   Just three years ago, we found it difficult to traverse the maze of science, technology, engineering, and math — or STEM — courses here at Dartmouth. Because we realized the utility of a centralized resource for academic inquiries, this publication serves as the inaugural […]

An aerial shot of the European Organization for Nuclear Research (CERN). It is based in the northwest suburbs of Geneva on the Franco-Swiss border, and operates the Large Hadron Collider, the world’s most powerful particle collider.

The Large Hadron Collider Revamp

A refurbishment to CERN’s Large Hadron Collider (LHC) is near completion. The revamped LHC will approach its design energy of seven trillion electron volts per beam—an amount equivalent to the total energy in a speeding freight train (1). The last time that researchers ran the LHC at high energies, the […]

Pollinators, like bees, fertilize crops high in essential nutrients.

Bee Population Linked to Malnutrition

A declining bee population could have a negative impact on countries grappling with malnutrition. A recent study conducted by Rebecca Chaplin-Kramer, a landscape ecologist at Stanford University, examined the link between pollinators (mainly bees) and global health through the lens of nutrition.  Chaplin-Kramer, along with a group consisting of pollination […]

 

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New theory on identity of mysterious formation at center of the Milky Way

Scientists believe that G2, although unidentified, orbits around the massive black hole Sagittarius A* at the center of our Milky Way, photographed in this image by NASA’s Spitzer Space Telescope.

In 2012, scientists detected infrared emissions from an unidentified formation named G2 that suggested a collision course that tracked the formation’s progress toward the center of the Milky Way. Originally believed to be a pure gas cloud, G2 was predicted to produce immense radiation signals as it approached Sagittarius A* […]

 
 

The Evolution of Bird Wrists from Dinosaurs Wrists

A diagram of the bird wing, including the bird wrist and its constituent bones.

Alexander Vargas of the University of Chile has solved the mystery of how dinosaur wrists evolved into bird wings. To do so, he and his team united the fields of embryology and paleontology. By approaching this problem in a new way, he could explain some aspects of bird evolution, such […]

 
 

Cancer cells can induce normal cells to turn cancerous

Exosomes from human breast cancer cells co-injected with noncancerous human epithelial into healthy female mice induced tumor growth of the epithelial cells. These exosomes contain pre-miRNA and Dicer protein that can interact to affect oncogenic gene expression.

According to the current understanding, cancer develops when a single, aberrant cell proliferates into a full-fledged tumor. However, new evidence suggests that cancer cells can also transform healthy cells into tumorous ones via an “oncogenic field effect.” This research could lead to a more complete understanding of the spread of […]

 
 

Membranes: A Solution for Our Water Woes

Membranes: A Solution for Our Water Woes

In May 2014, the United States Drought Monitor reported that 100% of Californians experienced “severe, extreme, or exceptional drought conditions” (1). The drought will cost US$2 billion and 17,000 agricultural jobs. Despite a series of fines and awareness campaign efforts to cut water consumption by 20%, water usage still increased […]

 
 

Quantum Cryptology

Introduction Many have recently become aware of the significant role which network security has in our lives through the recent Heartbleed debacle. Due to a bug in OpenSSL, a standardized library for cryptographic methods used in the SSL and TLS communication protocols, countless servers were left vulnerable to potential attackers […]

 
 
 
 

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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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