The Carboniferous Period is often referred to as the "Golden Age of Sharks." These animals had branched off into many diverse and bizarre groups, becoming the oceans' top predators. 20 foot-long fish terrorized freshwater lakes, and soft-bodied creatures that looked like aliens were abundant too.
In this article, you will learn how to use each double angle formula for sine, cosine, and tangent in simplifying and evaluating trigonometric functions and equations. This article also includes double angle formulas proof and word problems.
Learn how to solve direct variation examples. This article also includes a definition of direct variation, as well as the corresponding formula, graph, and an explanation of how to create formula equations.
This article will teach you how to find coterminal angles in degrees and radians.
Learn about three ways of solving quadratic equations in this quick maths article.
Caffeine is a potentially useful chemical for humans and has interesting actions in our body. It can also help bumblebees deal with a harmful fungal infection.
The Nile River is one of the most important rivers in the world. It is also the longest river in the world. In this article, you will learn a brief overview of the history, the countries of the basin, the course, and the main risks facing the Nile.
Learn how to solve inverse variation problems in algebra. This article also includes definitions, formulas, graphs, and examples explaining how to translate mathematical statements of inverse variations to equations and vice versa.
Learn how to solve joint variation problems in algebra. This article includes definitions and various examples about joint variation and combined variation that will help gauge understanding of the topic.
Learn how to calculate the area of the shaded region using the area decomposition method. This article also includes step-by-step procedures for all types of problems involving shaded areas.
Creeping voles are interesting and unusual animals. The females have a single sex chromosome, which is an X one. The males have two X chromosomes and no Y one.
The Carboniferous Period is known as the age of giant insects, from hawk-sized griffinflies to human-sized millipedes. Dinosaurs had not yet appeared on Earth and insects were the only animals capable of flight. Oxygen levels were quite high, which likely contributed to their large sizes.
Learn how to sketch a cotangent graph by learning its properties such as period, horizontal shift, vertical shift, amplitude, vertical asymptotes and more. This article also includes examples of step-by-step procedures on how to graph secant functions with different forms.
This article provides information on Michigan's commonest conifer trees other than the spruces or pines, including the White and Red Cedars, the White and Balsam Firs, the Hemlock, and the Tamarack (Larch) tree. Quality photos assist with identification.
This article gives facts about the Desert Rose, including how to care for the plant.
From the US Navy flying a squid across the Atlantic to a peaceful encounter between another and a diver, here are the best glimpses of giant squids.
Learn how to sketch a secant graph by learning its properties such as period, horizontal shift, vertical shift, amplitude, and more. This article also includes examples of step-by-step procedures on how to graph secant functions with different natures.
From the world’s first space crime to a suspicious hole in the ISS, here are the strangest facts about the biggest structure in space.
The science of glowing organisms is an interesting subject. Here, I have shared a list of 11 beautiful organisms that can glow.
Polychaete worms are related to earthworms and share some of their features. Two strange species have highly branched bodies and live inside sponges.
Learn the different reciprocal identities in trigonometry together with other fundamental identities such as Pythagorean and quotient identities. This article includes several examples that can help in understanding the trig reciprocal identities.
Learn how to apply sum and difference formulas in solving trigonometric equations. This article also includes the definition of sum and difference identities, proofs, and examples with solutions.
Learn how to solve problems about similar polygons using the concepts of ratio of areas, perimeters, side lengths, diagonals, and angle bisectors. This article also includes practice problems with solutions and answers that will help gauge understanding of the topic.
Identifying 4 most common Michigan spruce trees shared with the Central and Northeastern regions of the United States and Canada. Includes, the Norway Spruce, White Spruce, Black Spruce and Blue Spruce. Quality photos and photo-drawings assist identification.
You keep pulling socks out of a messy drawer, desperately trying to find a matching pair, but all you seem to get are odd socks. How many socks will you need to pull out of the drawer in order to be guaranteed a matching pair? Find out in this quick mathematics article.
Researchers have recently sequenced part of the genome of the extinct dire wolf. The animal was once common and was about twenty percent larger than the gray wolf.
Learn how to solve mutually inclusive events in probability by going through the examples written in this article.
Learn how to use the triangle proportionality theorem to complete triangle proportions, solve word problems, and find the value of the missing sides of a triangle. This article includes the triangle proportionality theorem proof and examples that can help you fully gauge your understanding of it.
Analysis of using cryptocurrency blockchain technology to ensure the accuracy of election results. Is it feasible?
A look at how using the difference of two squares can speed up your mental arithmetic with large numbers
It's common knowledge that the square root of two is an irrational number, but how can we prove it? Find out in this quick mathematics article.
Unlike other primates, the fat-tailed dwarf lemur hibernates in winter. Studying this behaviour might be useful for enabling long-distance space travel in humans.
Learn how to rationalise the denominator in this quick high school mathematics article.
Catnip contains a chemical called nepetalactone. This repels mosquitoes by affecting their TRPA1 channels. We contain these channels as well, but catnip doesn’t affect them.
When learning about surds/radicals at school, we are always told to rationalise the denominator. But what does this mean and why do we do it? Find out why in this quick mathematics article.
Surely you have heard of them all, right? Sometimes though there are new ones, hidden within old ones...