Mark Brtek

128 Flips | 16 Magazines | 1 Like | 10 Followers | @MarkBrtek | BIOLOGY INSTRUCTOR -- METROPOLITAN COMMUNITY COLLEGE

In the Genes

Humans Are Still Evolving!

5 Genetic Discoveries in 2013

RebelMouse vs. WordPress VIP

After building the product for Huffington Post, and owning the product and engineering groups at AOL after we were acquired, it was clear to me there …

RebelMouse vs. WordPress VIP

After building the product for Huffington Post, and owning the product and engineering groups at AOL after we were acquired, it was clear to me there …

RebelMouse vs. WordPress VIP

After building the product for Huffington Post, and owning the product and engineering groups at AOL after we were acquired, it was clear to me there …

Did Dog-Human Alliance Drive Out the Neanderthals?

With the help of wolf dogs, early humans out-hunted—and outlasted—Neanderthals.<p>In popular culture, they're often portrayed like members of a heavy-metal band: fur clad, shaggy haired, ape-like. But in most ways they were like you and me. They used fire and made tools, lived in social groups, and …

Humanity

Oldest Human Fossil Found, Redrawing Family Tree

Discovery pushes back the origin of our genus, Homo, by half a million years.<p>In a rare congruence of new evidence, two fossil jaws cast a fused beam of light on one of the darkest mysteries in human evolution: the origin of our genus <i>Homo</i>. The two lower jaws—one a reconstruction of a pivotal …

First-Ever Direct Observation of Greenhouse Gas Increase

Changing Planet<p>A new study in the journal <i>Nature</i> offers that for the first time scientists have directly observed an increase in one major greenhouse gas at Earth’s surface.<p>“We see, for the first time in the field, the amplification of the greenhouse effect because there’s more CO2 [carbon dioxide] …

Climate Change

Basilosaurus the Bone-Crusher

Bite force is all the rage lately. This year alone paleontologists have published new bite force estimates for the largest rodent of all time and a prehistoric crocodylian heavyweight. And in the pages of <i>PLOS ONE</i>, Eric Snively, Julia Fahlke, and Robert Welsh have brought another superlative chomper …

Dinosaurs

Why Do Butterflies Have Such Vibrant Colors and Patterns?

Colors give butterflies camouflage, which helps them avoid hungry predators.<p>Ask a social butterfly where she got that great dress, and she'll say, "This old thing?" and then tell you its entire history.<p>Ask an actual butterfly about its colorful attire, and things get a lot more complicated.<p>Our …

Mendelian Genetics

How Mendel's pea plants helped us understand genetics - Hortensia Jiménez Díaz

What is the Evidence for Evolution?

What is a gene?

Heredity: Crash Course Biology #9

Genetics 101 (Part 1 of 5): What are genes?

18 Things You Should Know About Genetics

YouTube

Introduction to Genetics

YouTube

True Facts About The Seahorse

Edward Jenner and smallpox

How HIV attacks human

Inner Life of the Cell (Full Version - Narrated)