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Get an "A" in Evolution

As the traditional school year comes to an end, you should brush up on your Theory of Evolution knowledge before final exams. Read more about the basics of evolution and use the resources below to ace your evolution assignments.

Evolution Assignment Resources
Evolution Spotlight10

Fun Fact Friday - HOAX!

Friday April 18, 2014

Piltdown Man

In 1912, a group of men put together pieces of skulls from an ancient chimpanzee and a human and claimed they found the "missing link". It took about 40 years to fully discredit their hoax.

Read More:

Piltdown Man

Photo by The Gutenberg Project

Learn About Genetics - Transcription

Thursday April 17, 2014

DNA Transcription

Transcription is the process in which a cell creates a strand of messenger RNA from a DNA template. It is the first step in gene expression and it is the reason our body can make the plethora of different proteins it can. Read more about the process of transcription:

Steps of Transcription

The "Great Dying" Explained?

Wednesday April 16, 2014

Archaea in the Tinto River in Rio

It is the worst mass extinction ever known in the history of the Earth. About 250 million years ago, an event that scientists call the "Great Dying" occurred. This horrible event wiped out nearly 96% of all species alive at the time. There have been many hypotheses about what caused these catastrophes, including long periods of volcanic eruptions and an intense time of meteorite strikes. However, some scientists believe the evidence points to a much smaller culprit - exponential microbial growth.

Geophysicist Daniel Rothman and his research team have discovered that around the time of the Permian-Triassic Extinction, two genes were transferred from a type of bacteria to a type of archaea that allowed them to digest wastes and give off methane. This may have been enough to disrupt the carbon cycle as the newly evolved archaea thrived and grew exponentially.

Related Reading:

Mass Extinction

Photo by Carol Stoker/NASA

Cosmos Episode 6 Recap

Monday April 14, 2014

Cosmos Logo

Did you catch Cosmos: A Spacetime Odyssey last night? We went all the way down to the atomic level to check out the cosmos of molecules and more. Sorry the recap is up late today. Some water molecules were really falling from the sky as it aired and my satellite feed cut out in the middle for a bit. I've now seen and written about the whole episode, so jump right in to the recap!

Cosmos Episode 6 Recap

Logo courtesy of FOX

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