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Whenever we don't have a good understanding of a subject, say, of people or countries, then we tend to make assumptions about them. Stereotype is nothing but those assumptions that have become common knowledge. Whenever you make judgments about people without knowing them, you are stereotyping them. Stereotyping makes people generalize things. More often, they are all false assumptions. Though there are both positive and negative stereotypes, a majority of them are offensive. People generally stereotype out of bias against a particular group of people or religion. Stereotyping becomes a way of conveying their dislike. Of course, stereotyping stems from a commonly held view of a particular group or race. This view may arise from an incident or false assumption, and then maybe used to color the entire community with the same brush. There are various types of stereotypes. However, the most common ones are racial stereotypes and gender stereotypes. Race, nationality, gender and sexual orientation are the main factors of stereotyping. Stereotyping must be avoided at all costs, as it leads to treating groups as a single entity. Given below are examples of stereotypes that people commonly use.

Examples Of Stereotypes Negative Stereotypes All blond women are dumb. All red heads are sluts. Christians are homophobic. They are blinded by God and will recruit you if you go near them. All politicians are philanders and think only of personal gain and benefit. If I wear Goth clothing I'm a part of a rock band, depressed, or do drugs. Girls are only concerned about physical appearance. Guys are messy and unclean. Men who spend too much time on the computer or read are geeks. Men who are not into sports are termed as gay. All librarians are women who are old, wear glasses, tie a high bun, and have a perpetual frown on their face. Girls are not good at sports. All teenagers are rebels. All children don't enjoy healthy food. Only anorexic women can become models. Women who smoke and drink do not have morals. Men who like pink are effeminate.

Positive Stereotypes All Blacks are great basketball players. All Asians are geniuses. All Indians are deeply spiritual. All Latinos dance well. All Whites are successful. Asians have high IQs. They are smarter than most in Math and Science. These people are more likely to succeed in school. African Americans can dance. All Canadians are exceptionally polite. French are romantic. All Asians know kung fu. All African American men are well endowed. Italians are good lovers

In the night sky (and to some extent during the day) the moon, planets and stars are visible in the sky.

The planet is one of the brightest objects in the night sky, and even a small telescope can reveal its multicolored stripes. These stripes are bands of clouds being pushed around the planet by strong east-west winds. Jupiter is a world of complex weather patterns. Its most prominent feature is an orange-red oval called the Great Red Spot. The oval is a storm system that has lasted at least 300 years and is bigger across than Earth and Mars combined.

For starters, cats’ visual fields are broader than ours, spanning roughly 200 degrees instead of 180 degrees, and their visual acuity isn’t as good. So, the things humans can sharply resolve at distances of 100-200 feet look blurry to cats, which can see these objects at distances of up to 20 feet. That might not sound so great, but there’s a trade-off: Because of the various photoreceptors parked in cats’ retinas, they kick our asses at seeing in dim light. Instead of the color-resolving, detail-loving cone cells that populate the center of human retinas, cats (and dogs) have many more rod cells, which excel in dim light and are responsible for night-vision capability. The rod cells also refresh more quickly, which lets cats pick up very rapid movements — like, for example, the quickly shifting path a marauding laser dot might trace. Lastly, cats see colors differently than we do, which is why the cat-versions of these images look less vibrant than the people-versions. Scientists used to think cats were dichromats — able to only see two colors — but they’re not, exactly. While feline photoreceptors are most sensitive to wavelengths in the blue-violet and greenish-yellow ranges, it appears they might be able to see a little bit of green as well. In other words, cats are mostly red-green color blind, as are many of us, with a little bit of green creeping in.

Huge meat-eating, land-living dinosaurs evolved into birds by constantly shrinking for over 50 million years, scientists have revealed.

Previous work has shown that theropod dinosaurs, the dinosaur group which included Tyrannosaurus rex and Velociraptor and gave rise to modern birds, must have decreased in size at some point in their evolution into small, agile flyers.

But size changes frequently occurred in dinosaur evolution, so the research team members, led by Mike Lee, from the University of Adelaide, Australia, wanted to find out if the dramatic size reduction associated with the origin of birds was unique. They also wanted to measure the rate of evolution in dinosaurs using a large data set

Cats and dogs are just like color blind humans, seeing some colors but not all of them. For the bright daytime light, cells known as cones are needed. Humans have three kinds of cones, enabling them to see blue, red and green.

Cats and dogs, on the other hand, have just two kinds of cone cells (blue and green sensitive), allowing them to see only partial color.

while we’re on the subject, contrary to the legend that cats can see perfectly in total darkness, they do not have those superpowers. But cats require only about one-sixth of the light that humans do, making their night vision a whole lot better than ours

 The tongue is basically a muscle. This muscle helps the digestive process by doing several things: Move food to the teeth for chewing. Mix saliva into the food. Move food to the back of the mouth for swallowing.

As mentioned above, the tongue mixes the food with saliva. As the saliva mixes it is also spreading the solutions and chemicals from the food into the grooves between the papillae on the tongue. The taste buds are located on the papillae and the taste receptors respond to the chemicals from the food. When triggered, the receptors send impulses along the nerves in the tongue up to the brain for processing.

Dolphins are cetacean mammals closely related to whales and porpoises. There are almost forty species of dolphin in 17 genera. They vary in size from 1.2 m (4 ft) and 40 kg (90 lb) (Maui's dolphin), up to 9.5 m (30 ft) and 10 tonnes (9.8 long tons; 11 short tons) (the orca or killer whale).