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<h3>
      <a target="_blank" class="twitter-timeline-link" href="https:\/\/t.co\/LCpRiLM5qW">Light: Crash Course Astronomy #24<\/a>
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    <p><a target="_blank" class="twitter-timeline-link" href="https:\/\/t.co\/LCpRiLM5qW">In order to understand how we study the universe, we need to talk a little bit about light. Light is a form of energy. Its wavelength tells us its energy and...<\/a><\/p>
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    <span>3:15 PM - 9 Jul 2015<\/span>

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<h3>
      <a target="_blank" class="twitter-timeline-link" href="http:\/\/t.co\/nK6Kbajq6I">Intro to Economics: Crash Course Econ #1<\/a>
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    <p><a target="_blank" class="twitter-timeline-link" href="http:\/\/t.co\/nK6Kbajq6I">In which Jacob Clifford and Adriene Hill launch a brand new Crash Course on Economics! So, what is economics? Good question. It's not necessarily about money...<\/a><\/p>
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    <span>9:14 AM - 9 Jul 2015<\/span>

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<h3>
      <a target="_blank" class="twitter-timeline-link" href="https:\/\/t.co\/Cmf86Pl0JO">The Heart, part 1 - Under Pressure: Crash Course A&P #25<\/a>
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    <p><a target="_blank" class="twitter-timeline-link" href="https:\/\/t.co\/Cmf86Pl0JO">Your heart gets a lot of attention from poets, songwriters, and storytellers, but today Hank's gonna tell you how it really works. The heart\u2019s ventricles, at...<\/a><\/p>
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    <span>4:16 PM - 6 Jul 2015<\/span>

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<h3>
      <a target="_blank" class="twitter-timeline-link" href="https:\/\/t.co\/m1x3ANx5xb">Meteors: Crash Course Astronomy #23<\/a>
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    <p><a target="_blank" class="twitter-timeline-link" href="https:\/\/t.co\/m1x3ANx5xb">Today Phil helps keep you from ticking off an astronomer in your life by making sure you know the difference between a meteor, meteorite, and meteoroid. When...<\/a><\/p>
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    <span>4:02 PM - 2 Jul 2015<\/span>

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<h3>
      <a target="_blank" class="twitter-timeline-link" href="https:\/\/t.co\/A6rWQdyzjg">Endocrine System, part 2 - Hormone Cascades: Crash Course A&P #24<\/a>
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    <p><a target="_blank" class="twitter-timeline-link" href="https:\/\/t.co\/A6rWQdyzjg">In the second half of our look at the endocrine system, Hank discusses chemical homeostasis and hormone cascades. Specifically, he looks at the hypothalamus-...<\/a><\/p>
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    <span>2:07 PM - 29 Jun 2015<\/span>

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<h3>
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    <p><a target="_blank" class="twitter-timeline-link" href="https:\/\/t.co\/011lff3fs0">Now that we\u2019re done with the planets, asteroid belt, and comets, we\u2019re heading to the outskirts of the solar system. Out past Neptune are vast reservoirs of ...<\/a><\/p>
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    <span>5:04 PM - 25 Jun 2015<\/span>

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<h3>
      <a target="_blank" class="twitter-timeline-link" href="https:\/\/t.co\/VjwnCHZO1U">Endocrine System, part 1 - Glands & Hormones: Crash Course A&P #23<\/a>
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    <p><a target="_blank" class="twitter-timeline-link" href="https:\/\/t.co\/VjwnCHZO1U">Hank begins teaching you about your endocrine system by explaining how it uses glands to produce hormones. These hormones are either amino-acid based and wat...<\/a><\/p>
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    <span>2:16 PM - 22 Jun 2015<\/span>

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<h3>
      <a target="_blank" class="twitter-timeline-link" href="https:\/\/t.co\/TrFaGcrPnR">Comets: Crash Course Astronomy #21<\/a>
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    <p><a target="_blank" class="twitter-timeline-link" href="https:\/\/t.co\/TrFaGcrPnR">Today on Crash Course Astronomy, Phil explains comets. Comets are chunks of ice and rock that orbit the Sun. When they get near the Sun the ice turns into ga...<\/a><\/p>
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    <span>2:14 PM - 18 Jun 2015<\/span>

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<h3>
      <a target="_blank" class="twitter-timeline-link" href="https:\/\/t.co\/X3Twr1AVhY">Muscles, part 2 - Organismal Level: Crash Course A&P #22<\/a>
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    <p><a target="_blank" class="twitter-timeline-link" href="https:\/\/t.co\/X3Twr1AVhY">Hank calls in a friend to do his push ups for him today to explain how skeletal muscles work together to create and reverse movements. Hank and Claire also d...<\/a><\/p>
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    <span>2:43 PM - 15 Jun 2015<\/span>

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<h3>
      <a target="_blank" class="twitter-timeline-link" href="https:\/\/t.co\/ELA8nj0dSR">Outtakes #2: Crash Course Astronomy<\/a>
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    <p><a target="_blank" class="twitter-timeline-link" href="https:\/\/t.co\/ELA8nj0dSR">Time for another Bad Astronomy break. -- PBS Digital Studios: http:\/\/youtube.com\/pbsdigitalstudios Follow Phil on Twitter: https:\/\/twitter.com\/badastronomer ...<\/a><\/p>
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    <span>2:39 PM - 11 Jun 2015<\/span>

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<h3>
      <a target="_blank" class="twitter-timeline-link" href="https:\/\/t.co\/TbfloqPJH4">Muscles, part 1 - Muscle Cells: Crash Course A&P #21<\/a>
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    <p><a target="_blank" class="twitter-timeline-link" href="https:\/\/t.co\/TbfloqPJH4">We're kicking off our exploration of muscles with a look at the complex and important relationship between actin and myosin. Your smooth, cardiac, and skelet...<\/a><\/p>
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    <span>2:04 PM - 8 Jun 2015<\/span>

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<h3>
      <a target="_blank" class="twitter-timeline-link" href="https:\/\/t.co\/HiAcSVIHEd">Asteroids: Crash Course Astronomy #20<\/a>
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    <p><a target="_blank" class="twitter-timeline-link" href="https:\/\/t.co\/HiAcSVIHEd">Now that we\u2019ve finished our tour of the planets, we\u2019re headed back to the asteroid belt. Asteroids are chunks of rock, metal, or both that were once part of ...<\/a><\/p>
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    <span>2:03 PM - 4 Jun 2015<\/span>

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<h3>
      <a target="_blank" class="twitter-timeline-link" href="https:\/\/t.co\/Ic0j9Ofish">Uranus & Neptune: Crash Course Astronomy #19<\/a>
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    <p><a target="_blank" class="twitter-timeline-link" href="https:\/\/t.co\/Ic0j9Ofish">Today we\u2019re rounding out our planetary tour with ice giants Uranus and Neptune. Both have small rocky cores, thick mantles of ammonia, water, and methane, an...<\/a><\/p>
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    <span>2:26 PM - 28 May 2015<\/span>

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<h3>
      <a target="_blank" class="twitter-timeline-link" href="https:\/\/t.co\/bQbiymAGYh">Joints: Crash Course A&P #20<\/a>
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    <p><a target="_blank" class="twitter-timeline-link" href="https:\/\/t.co\/bQbiymAGYh">We continue our look at your bones and skeletal system, skipping over the silly kid's song in favor of a more detailed look at your your axial and appendicul...<\/a><\/p>
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    <span>2:05 PM - 26 May 2015<\/span>

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    <p><a target="_blank" class="twitter-timeline-link" href="https:\/\/t.co\/myQ9Q5Sux1">Saturn is the crown jewel of the solar system, beautiful and fascinating. It is a gas giant, and has a broad set of rings made of ice particles. Moons create...<\/a><\/p>
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    <span>4:03 PM - 21 May 2015<\/span>

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<h3>
      <a target="_blank" class="twitter-timeline-link" href="https:\/\/t.co\/RFkoYbrUSU">The Skeletal System: Crash Course A&P #19<\/a>
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    <p><a target="_blank" class="twitter-timeline-link" href="https:\/\/t.co\/RFkoYbrUSU">Today Hank explains the skeletal system and why astronauts Scott Kelly and Mikhail Kornienko are out in space studying it. He talks about the anatomy of the ...<\/a><\/p>
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    <span>2:13 PM - 18 May 2015<\/span>

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<h3>
      <a target="_blank" class="twitter-timeline-link" href="https:\/\/t.co\/ULDGD2FaQA">Jupiter's Moons: Crash Course Astronomy #17<\/a>
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    <p><a target="_blank" class="twitter-timeline-link" href="https:\/\/t.co\/ULDGD2FaQA">Before moving on from Jupiter to Saturn, we\u2019re going to linger for a moment on Jupiter\u2019s moons. There are 67 known moons, and 4 huge ones that we want to exp...<\/a><\/p>
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    <span>4:23 PM - 14 May 2015<\/span>

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<h3>
      <a target="_blank" class="twitter-timeline-link" href="https:\/\/t.co\/8RebtXly7x">Vision: Crash Course A&P #18<\/a>
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    <p><a target="_blank" class="twitter-timeline-link" href="https:\/\/t.co\/8RebtXly7x">Next stop in our tour of your sensory systems? VISION. With a little help from an optical illusion, we take a look inside your eyes to try to figure out how ...<\/a><\/p>
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    <span>4:46 PM - 11 May 2015<\/span>

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<h3>
      <a target="_blank" class="twitter-timeline-link" href="https:\/\/t.co\/sTJZyd1YAa">Jupiter: Crash Course Astronomy #16<\/a>
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    <p><a target="_blank" class="twitter-timeline-link" href="https:\/\/t.co\/sTJZyd1YAa">Jupiter is the biggest planet in our solar system. The gas giant is NOT a failed star, but a really successful planet! It has a dynamic atmosphere with belts...<\/a><\/p>
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    <span>12:02 PM - 8 May 2015<\/span>

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    <p><a target="_blank" class="twitter-timeline-link" href="https:\/\/t.co\/eBKhcvz4uE">Stan Muller teaches you a few things about copyright enforcement, and talks about the exceptions to copyright enforcement. While there are several, the one y...<\/a><\/p>
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    <span>6:27 AM - 8 May 2015<\/span>

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