Two criminals have been arrested for a crime, but the police don't have enough evidence to convict. They offer each criminal the chance to reduce their sentence by testifying against the other, but is this the best option? Find out in this quick math article.

- Mar 2, 2021

SARS-CoV-2 causes the COVID-19 disease. Spike proteins and glycans enable the virus to infect us and are research targets for the creation of vaccines and medicines.

- Mar 1, 2021

Drinking radioactive water was promoted as a cure-all medication in the 1920s; too bad about the casualties.

- Feb 23, 2021

The village of Smallville and the Intergalactic Gods have both had five metres of boundary rope stolen from their circular cricket pitches. They have vastly different sized pitches, so whose pitch will reduce in radius the most?

- Feb 28, 2021

Alan has the best scoring average in the first half of the basketball season and the best scoring average for the second half of the season, but when everything is tallied together he finds that it is Brian who has the highest average over the season. Find out how in this quick math article.

- Feb 17, 2021

This article will provide a look at Hilbert's Paradox of the Grand Hotel, also known as the 'Infinite Hotel Paradox'. Find out how to fit extra guests into the infinite hotel, even when every room is occupied!

- Feb 10, 2021

This article has what you need to know about the amazing rare beetle that is the official state insect of Rhode Island

- 10 hours ago

Learn how to evaluate and simplify the limits of indeterminate forms using L'Hopital's Rule. This article includes L'Hopital's Rule Proof, when to use it, and examples with solutions about finding the limit of various functions.

- Feb 10, 2021

This article includes problems with solutions teaching how to convert rectangular to cylindrical coordinates and vice versa, identify the surfaces in the cylindrical coordinate system, and find a cylindrical equation of three-dimensional spaces.

- Feb 8, 2021

Learn how to use the Divergence Test in determining the convergence or divergence of a series.

- Feb 8, 2021

Learn how to solve the derivative of constant times a function through a step-by-step Constant Multiple Rule method.

- Feb 8, 2021

Learn how to solve problems about cofunction identities in trigonometry. This article also includes formulas, proofs, and examples with solutions that can help you fully apply the cofunction trigonometric identities.

- Feb 8, 2021

Some mistakes carry more weight than others. But in physics, even a small level of imprecision can change the picture completely...

- Feb 4, 2021

While a likely hypothetical star class, it does have advantages to the stellar models we predict should be true.

- Feb 4, 2021

This article discusses the migration, feeding peculiarities, and lifecycle of the beautiful monarch butterfly.

- 10 hours ago

Learn how to find the linear approximation or differentials of a function at a given point. This article also includes formulas, proof, and examples with solutions that can help you fully understand the Linear Approximation topic in Calculus.

- Feb 4, 2021

This article examines the fearsome and deadly snake known as the Egyptian cobra. The snake's behavioral patterns, venom toxicity (in relation to humans), habitat, reproduction, and general characteristics are discussed at length.

- Feb 22, 2021

What do you think of when you hear the word infinity? Can there by different sizes of infinity? Find out in this quick math article.

- Feb 8, 2021

This article has what you need to know about the Kamehameha butterfly, Vanessa tameamea, including its food plants and early forms.

- 10 hours ago

This article has what you need to know about the beautiful zebra swallowtail butterfly (Protographium marcellus), including its food plants and early forms.

- 9 hours ago

A how-to guide for adding to your PATH environment variable in the Windows 10 operating system. Python is used as an example throughout this tutorial, but it can easily be adapted to work for any application you're looking to add to your PATH variable.

- Feb 20, 2021

This article has what you need to know about the state insect of Arkansas, the beautiful Diana fritillary butterfly (Speyeria diana), including its food plants and early forms.

- Jan 28, 2021

Trees are amongst the tallest organisms in the world and can grow to more than 100 meters in height. The importance of these living things is as the primary source of our sustenance: food, oxygen, shelter, woods, etc. This article shares 10 fun facts about trees that you maybe didn't know.

- Feb 23, 2021

The slope of a line is the direction in which the line goes. You can calculate it as the ratio between horizontal change and vertical change, or you can use the derivative.

- Jan 14, 2021

Sexism in science has a long history and it’s often exemplified in the failure to award Nobel Prizes to some highly accomplished women.

- Jan 8, 2021

Finding the intersection is something that comes up a lot in math. To do this you need to set the expressions equal and solve for x. Then you can determine y by filling in the x you found.

- Jan 6, 2021

This article discusses the migration, feeding peculiarities, and lifecycle of the beautiful monarch butterfly.

- Jan 14, 2021

Llamas produce tiny versions of antibodies known as nanobodies. These might be helpful in dealing with the SARS-CoV-2 virus that causes the COVID-19 infection.

- Jan 4, 2021

Short answer: maybe. Long answer: well, it's complicated. . .

- Jan 7, 2021

Flavors imply taste and satisfaction. Well, neutrinos are hardly either of those, but the mechanisms behind the different types can yield many surprising facts.

- Jan 7, 2021

The variance of a probability distribution is a measure to quantify the spread of a distribution. If the variance is low, all outcomes are close to the mean, while distributions with a high variance have outcomes that could be far away from the mean.

- Jan 7, 2021

This article has what you need to know about the beautiful tiger swallowtail butterfly (Pterourus glaucus), including its food plants and early forms.

- Jan 7, 2021

The mean is the most important measure of probability distributions. It tells a lot about the likelihood that certain events will happen.

- Jan 8, 2021

This article has what you need to know about the amazing Carolina mantis, including its predatory habits and natural history.

- Jan 28, 2021

If you were asked to add together all of the numbers from 1 to 100, what would you do? Would you go through each number, adding to your total as you went or is there a quicker way? Find out in this article.

- Jan 16, 2021

This article discusses the metamorphosis, diet, and migration of the monarch butterfly, Illinois' state insect.

- Feb 1, 2021

A CSS reset allows you set the properties for certain HTML tags to zero to override the web browser's default style. How can you implement the best CSS reset? I'll teach you here.

- Jan 9, 2021

This article has what you need to know about the State insect of Georgia, the fascinating western (AKA European) honeybee.

- Dec 29, 2020

This article has what you need to know about the beautiful vivid dancer damselfly, including its habits and early forms.

- Feb 8, 2021

The Pythagorean theorem is one of the most well-known theorems in math. It describes the length of the hypothenuse of a right triangle using the lengths of the other sides.

- Feb 8, 2021

This article has what you need to know about the beautiful California dogface butterfly, including its food plants and early forms.

- Jan 1, 2021

This article has what you need to know about the beautiful monarch butterfly, including its food plants and early forms. This is one of Alabama's two state insects.

- Feb 17, 2021

This article has what you need to know about the beautiful four-spotted chaser dragonfly, including its habits and early forms.

- Jan 1, 2021

This article has what you need to know about the beautiful tiger swallowtail butterfly (Pterourus glaucus), including its food plants and early forms.

- Feb 4, 2021

This educational article introduces young people to the biology of amphibians. It describes the differences between frogs, toads, salamanders, newts, and others and explains the amphibian life cycle in clear, easy-to-understand language.

- Jan 12, 2021

Corals argue and smootch. They grow taller than buildings and follow fish. They even beat up bullies with bodyguards.

- Dec 15, 2020

Organoids are small and simplified versions of organs that are made from stem cells. They may enable us to create new medical treatments and better understand how organs work.

- Dec 14, 2020

A right triangle is a triangle in which one angle is right, meaning it is exactly 90°. For these triangles, it is possible to calculate the other angles using goniometric functions as the sine, cosine and tangent.

- Jan 6, 2021

The inverse function of a function f(x) tells you which x you need to fill in in f to get a certain outcome. It therefore can be very useful in practice.

- Dec 11, 2020

The limit of a function describes how the function behaves in the neighborhood of some value. Often, it is interesting to look at the limit for x to infinity. This describes what happens when you would follow the line of the graph of the function until "the end".

- Dec 16, 2020