The Japanese kobudai and the California sheephead are interesting fish in the wrasse family. The animals can change from a female to a male during their lifetime.
In this article, you can learn how to use the power-reducing formulas in simplifying and evaluating trigonometric functions of different powers.
The theorem of Pythagoras is well known, showing the relationship between the areas of squares on the sides of right-angled triangles. However, it may not be realised that the theorem can also be used to show relationships between shapes other than squares.
In this article, you can learn the concept of the Same-Side Interior Angles Theorem in Geometry through solving various examples provided. The article also includes the Converse of the Same-Side Interior Angles Theorem and its proof.
Linear equations pop up everywhere and solving them is one of the most basic tools in mathematics.
Every commercial aircraft is struck by lightning about once per year on average, but they have a number of features designed to keep passengers safe, including lightning diverters, metal bars, advanced composite films, and expanded metals.
Cusk eels belong to an interesting family of fish called the Ophidiidae. Some species have unusual features. Many live in deep water and have intriguing lives.
Learn to use Descartes' Rule of Signs in determining the number of positive and negative zeros of a polynomial equation. This article is a full guide that defines Descartes' Rule of Signs, the procedure on how to use it, and detailed examples and solutions.
Science versus philosophy, and at stake is our fundamental understanding of time!
This article is a full guide to solving problems on 30-60-90 triangles. It includes pattern formulas and rules necessary to understand the concept of 30-60-90 triangles. There are also examples provided to show the step-by-step procedure on how to solve certain kinds of problems.
Tardigrades are strange and very impressive animals that can survive extreme environmental conditions. Recent discoveries have revealed new abilities of the animals.
Caecilians are interesting animals that often appear to be earthworms or snakes. They are actually amphibians. They are poisonous and may be venomous as well.
Estuaries are considered to be one of the most productive ecosystems in the world. This article is about the different types of estuaries, their importance and the threats they have been facing.
Observations of the moons of Jupiter and the phases of Venus in 1610 made by the Italian inventor and scientist Galileo Galilei using a small telescope brought further evidence of the reality of Nicolaus Copernicus’ sun-centered universe model.
Autophagy is the removal of damaged or harmful cell components. Lysosomes are vital in this activity. Autophagy is usually helpful but is problematic in some situations.
Have you ever wondered how many Legos it would take to build a bridge from London to New York capable of carrying traffic? How about how much Force power Yoda could output? Chances are you haven’t. But if you want to know the answers, Randall Munroe’s “What If?” is for you.
This article examines the top 10 deadliest (and most dangerous) cobra species in the world. It provides a direct analysis of each snake's behavioral pattern, level of aggression, and venom toxicity (in relation to humans and animals).
Sea hares, sea angels, and sea butterflies are gastropods, like terrestrial slugs and snails. They are impressive and sometimes beautiful animals with interesting features.
This article discusses different kinds of pearls and pearl products and takes a quick look at how and where they are cultivated. If you're interested in cultivating, purchasing, or identifying pearls, this article is a great place to start.
Metal, metal, metal...It surrounds you everyday in some form or another. What could possibly be exciting research at the frontiers of the field?
Energy from matter isn't a 100% efficient process, but scientists are working hard on getting as close as possible, with new and novel methods.
This article will showcase 12 of the most beautiful cora fish in the Philippines that can be also listed as the most beautiful tropical saltwater fish in the world. They can keep in your fish tank or aquarium. It includes the emperor angelfish, beautiful dartfish, elegant firefish, and mandarinfish.
Sea slugs are often colorful and attractive animals. They have many interesting features. This article contains sea slug facts and photos of twelve beautiful species.
Bacteria contain structures that perform specific jobs and resemble the organelles found in eukaryotic cells. The organisms are more complex than once realized.
Avocado trees produce appealing and nutritious fruits. The plants have some interesting botanical features, and their historical background is intriguing.
Here are pictures and facts to help you identify woodpeckers in Pennsylvania and the northeastern parts of the United States. Learn about woodpecker migration, behavior, and more.
The family Saturniidae contains some colorful, vividly patterned, large, and otherwise impressive moths. Both the adult moths and their caterpillars are interesting to observe and learn about.
Why does time slow down as you approach the speed of light? Find out why in this article featuring Einstein, space travel, light clocks and more.
In this article, we'll take a look at the life-support system on the International Space Station through a Systems Engineering perspective.
Goats have horizontally oriented, oval-shaped pupils which become more rectangular in bright light. They have wide-angled vision with a range of 320-340 degrees. Their slit-like pupils limit distracting light from the vertical direction while enhancing horizontal focus.
The blood-sucking habit of the European medicinal leech (Hirudo medicinalis) can be very useful in medicine. Scientists have recently sequenced the genome of the animal.
Using Python and the Trello API to automate boards, lists, and cards creation.
Despite their common name, "fainting goats" do not actually faint at all. The condition with which these goats are affected is known as myotonia congenita. It is a hereditary muscle-stiffness disorder caused by a mutation in the gene encoding of chloride channels in skeletal muscle fibres.