Science & Technology


PUBLIC DOMAIN
Aerobic exercise, such as jogging, may temporarily remedy brain loss due to memory diseases.

Exercising can prevent brains from shrinking

November 30, 2017

In this day and age, there is hardly a need for another reason to pick up a gym membership. The apparent benefits of exercise are seemingly endless, with a number of positive physical and emotional changes associated with taking a bit of time to sweat.


A single gene may affect susceptibility to obesity

November 30, 2017

Obesity is a health issue that has been affecting growing numbers of Americans in recent years. While people generally believe that obesity is caused by eating and various lifestyle habits, researchers are working to pinpoint a gene that might be directly responsible for obesity.

HORTON HARVEY/CC BY 2.0
When a high-calorie diet is introduced, weight gain is particularly noticeable.

ROCKYROE/AUSAID/CC BY 2.0
Diastolic heart failure can be treated by surgically implanting a shunt that reduces pressure build up in the heart.

Researchers find new treatment for heart failure

November 30, 2017

It’s widely known that the heart is one of the most important organs in the human body. With its contracting and relaxing motions, the heart is able to pump blood to different areas within the body, thus providing nutrients and various necessary hormones to ensure the body operates at an optimal level.


Low-calorie diet reverses type 2 diabetes in rats

November 16, 2017

In the United States 9.4 percent of the population suffers from diabetes, affecting over 30 million people. The disease is the seventh leading cause of death in the U.S., and the total estimated cost of diagnosed diabetes is $245 billion. Clearly diabetes is no small issue.

PUBLIC DOMAIN
Limiting fat content through a low-calorie diet improves the liver’s response to insulin in rats.

CC BY-SA 3.0 / JJ Harrison
Scientists and virologists suggest that Zika may be around indefinitely.

Scientists worry Zika virus will return soon

November 16, 2017

Recently, the number of people suffering from Zika virus throughout the world has significantly decreased. However, biologists predict that Zika will return with a vengeance, potentially leading to more infections.


Researchers regrow boy’s skin cells from stem cells

November 16, 2017

Stem cells are special cells in our body that have the potential to develop into many different types of cells during proliferation. A stem cell divides by producing a new cell with the potential either to remain a stem cell or to become a cell with a more specialized function such as a muscle cell, a brain cell or a red blood cell.


SCOTT KINMARTIN/CC BY 2.0
A new study looks into the details of how an asteroid wiped out the dinosaurs.

Dinosaurs could have survived the asteroid hit

November 16, 2017

The age of dinosaurs drew to a close some 66 million years ago when a large asteroid struck the Yucatán Peninsula. The asteroid was about nine kilometers in diameter and released large amounts of stratospheric soot and sulfate aerosols when it collided with the hydrocarbon-rich sedimentary rocks on Earth.


PUBLIC DOMAIN
Fish have a neurochemistry similar to humans and illustrate signs of depression.

Research shows that fish can also get depressed

November 9, 2017

Recent studies have shown that some species of fish can show symptoms of major depressive disorder. While one might find this claim bizarre and dismiss fish as simple organisms incapable of complex emotion, there are actually several striking similarities we share with fish.


PUBLIC DOMAIN
DNA phenotyping can help give investigators an idea about the physical traits of a victim.

DNA phenotyping helps identify crime victims

November 9, 2017

When crime scene investigators go after criminals, it’s usually a time-consuming, multi-step process that involves finding out who the criminal is, what they look like and where they are. How much faster would the process be if it was possible to determine someone’s appearance with just their DNA?