The ventrolateral preoptic area produces neurotransmitters that InhIbIt th … Read more

There are more than 130,000 species of flies (genus = Diptera). They all have unique characteristics and different ecological niches (roles). You may find some of these annoying and some are certainly harmful to human interests.

I'm going to rephrase your question to "Why do flies exist?" Because at its core this is a scientific … Read more

At it's most basic level an atheist is anyone who does not have a belief in any god. (Atheist literally means 'not a theist') To believe something means to positively assert something and have confidence in its truth.
Atheism at its most basic level is not a positive assertion. Atheists lack a belief. Some atheists … Read more

Individuals can assign meaning to their lives based on personal values and philosophies. Groups such as religions and other types of groups can share a similar philosophies and therefore have shared feelings of 'meaning'.

In the cosmic and ultimate sense, apart from individual and group meaning, does there necessarily have to be any meaning at … Read more

The idea of parallel universes makes a lot of sense. Unfortunately it's the type of idea that is very difficult to test. The History (or Discovery) channel had a decent program talking about it about 6 months ago. I have an "feeling" based on what I've read that it is plausible that there are infinite … Read more

You may have grown up believing things and not questioning them. Perhaps you've reached a point where you are becoming more skeptical. That is healthy. You need to find your own philosophy and refine your own beliefs. Talk to people you trust about your questions and learn what other people have written about a variety … Read more

A reducing sugar is one which, when in a basic solution, can undergo a redox reaction with another molecule and 'reduce' it. The sugar gets oxidized in the process.

Reducing something means either taking an oxygen atom from another molecule and/or donating electrons to another molecule.

CO2 is mostly produced by during the Krebs (Citric Acid) Cycle (4 CO2's / Glucose).  There is also CO2 produced right before the  Krebs cycle as pyruvate is converted to a 2 carbon compound (Acetyl) that then enters the Krebs cycle (2 CO2's / Glucose).

Here is a diagram:  www.freethought-forum.com

I agree with Eeky and want to add that the type of connective tissue that ligaments and tendons are primarily composed of is 'dense regular connective tissue'.

Not typically in a healthy person. Some problems such as congestive heart failure, that force the heart to work harder, can cause it to increase in size.

Exercise can induce a mild hypertrophy of the heart as well. It is not considered a bad thing.

Blood is composed of two general parts: The formed elements (RBC, WBC, Platelets) and plasma.

RBC's have a transportation function related to oxygen and to a smaller extent carbon dioxide but other than that virtually everything is transported in the plasma.

These things include:

Proteins produced in the body (particularly the liver)

Nutrients absorbed from digested food from … Read more

No. The carbohydrate in milk is a sugar. Specifically a disaccharide called lactose.

Check out this article for more information:  genetics.suite101.com

Apparently it is possible, though not likely, that two blue eyed parents can have a brown eyed child.  This fact suggests the influence of genes other than just OCA2 (which has been identified) and gey (which is for green pigment).

Since the idea of possession is anti-scientific and goes against all that humans have learned about how psychiatric disorders work, the best answer perhaps it to say that you can just assume that you are not possessed. In the past people with metal illness were said to be 'possessed'. Our culture has thankfully moved beyond … Read more

To allow us to discern relationships between organisms and their evolutionary histories.

If your job has to do with biology then the answer is obvious. If not then some basic biological knowledge makes you more scientifically literate and able to understand the world around you and make wise choices.

It is important for understanding your body and your environment, as well as, understanding what your doctor … Read more

Here is a story worth telling:

There were several scholars thousands of years ago debating about why the weight of a fish bowl filled with water does not change when you put a goldfish into the bowl.  They argued about the reason for weeks.  Finally they brought their problem to the king.  The king considered it and said.  I … Read more

This field is closely linked with biology (Anatomy and physiology) and medicine. It seeks to explain psychological questions in terms of physiological processes such as brain/nervous system functions. Neurotransmitters and there effect on psychological parameters. Medications that come from such research would be antidepressants for example.

Nocturnal predator, eating small (mouse sized) prey, secondary or tertiary consumer at the 3rd or 4th trophic level.
Different species of owl have slightly different niches and live in different habitats.

The methods used to sort fact from fiction make it a science. The scientific method is used and hypothesis are tested and supported or rejected. It is a social science, sometimes called a soft science. Some tests are subjective and some historical ideas like those of Freud are not scientific.

Modern psychological research is more … Read more