1. Home
  2. Education
  3. Biology
photo of Regina Bailey

Regina's Biology Blog June 2009 Archive

By Regina Bailey, About.com Guide to Biology since 1997

Alcohol Reaches the Brain in Six Minutes

Saturday June 27, 2009
Photo courtesy PDPhoto.org Researchers have shown that alcohol really does go straight to the head. In fact, in only six minutes after consuming an amount of alcohol equivalent ... Read More

Diffusion and Passive Transport

Friday June 26, 2009
Diffusion is the tendency of molecules to spread into an available space. Without other outside forces at work, substances will diffuse from a more concentrated environment to a less concentrated ... Read More

Mediterranean Diet and Long Life

Thursday June 25, 2009
Photo courtesy PDPhoto.org Everyone knows that a healthy diet including fruits and vegetables is good for you and may even help you live longer. Researchers have discovered that ... Read More

Immune System Questions

Saturday June 20, 2009
White Blood CellCredit: Bruce Wetzel and Harry Schaefer/National Cancer Institute The immune system is the body's natural defense mechanism. It protects us from invaders that we can't see, ... Read More

Scitable: Online Science Library

Friday June 19, 2009
For those who love the science journal Nature for its ability to make important research information and scientific advances understandable to the general public, I have some good ... Read More

Bacteria Anticipate Environmental Changes

Wednesday June 17, 2009
E. coli bacterium © Dennis Kunkel Researchers have discovered that bacteria and other microorganisms have the ability to predict changes in an environment and prepare in advance for ... Read More

Biology Basics

Saturday June 13, 2009
Scott Bauer USDA/ARS What is biology? Simply put, it is the study of life. With that in mind, how do we know if something is living? Is a ... Read More

Fingerprint Myth Uncovered

Friday June 12, 2009
FingertipsDavid Niblack/Imagebase For over 100 years scientists have believed that the main purpose of our fingerprints is to improve our grip by increasing friction between our fingers and ... Read More

Virus Structure

Friday June 12, 2009
Adenovirus Linda M. Stannard Scientists have long sought to uncover the structure and function of viruses. Viruses are unique in that they have been classified as both living ... Read More

Tundra Biome

Saturday June 6, 2009
Alaskan Tundra in bloom. USFWS The tundra biome is characterized by extremely cold temperatures and treeless, frozen landscapes. There are two types of tundra, the arctic tundra and ... Read More

Stem Cells Used to Restore Sight

Friday June 5, 2009
Researchers from the University of New South Wales have developed a new technique to help patients suffering from blinding corneal disease. This therapy is unique in that it involves the ... Read More

Mitosis Questions

Thursday June 4, 2009
Onion cell in Anaphase © The Entangled Bank Mitosis is a process of cell division in which the genetic material from a parent cell is divided equally between two ... Read More

Explore Biology

About.com Special Features

A Smarter Future

Tips that will help finance your education, excel in the classroom, and advance your career. More >

How to Ace the GRE

Being well prepared is the first step; here are more essential suggestions. More >

  1. Home
  2. Education
  3. Biology

©2009 About.com, a part of The New York Times Company.

All rights reserved.