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  • Eureka! Lab

    Scientists Say: Radioactive

    Radioactive (adjective, “RAY-dee-oh-AK-tiv”)This word describes unstable elements. Each atom — the basic unit of elements — has dense centers. This is its nucleus. Each nucleus is made of positively charged protons and neutrally charged neutrons. These particles are subatomic — meaning they are smaller than the atoms they are part of.  When an atom is radioactive, this nucleus sheds energetic...
    07:00 AM, November 30, 2015
    Readability Score: 8.8
  • New e-skin feels heat, textures and more

    A new electronic skin can feel the raspy texture of sandpaper, the beat of someone’s pulse and even heat. But there’s more. It also can detect sound.This rubbery plastic-and-carbon film mimics the structure of human skin, reports Hyunhyub Ko and his team in the October 30 Science Advances.It’s the first time anyone has demonstrated an e-skin that can sense so many different types of stimuli, says...
    07:00 AM, November 30, 2015 Technology & Engineering, Body & Health
    Readability Score: 8.1
  • Doing Science

    Wilbur Wright Middle School receives award for student’s success at Broadcom MASTERS

    On Wednesday, November 18, Wilbur Wright Middle School of Munster, Indiana received a $1,000 check to use for STEM programming, supplies, or activities from the Broadcom Foundation at a school assembly honoring Annie Ostojic, top winner of the 2015 Broadcom MASTERS.The eighth grade class (of approximately 300 students), as well as members of the school board, educators, school district...
    03:00 AM, November 30, 2015
  • News Brief: Ancient teeth point to Neandertal relatives

    Modern humans — our species — go back roughly 200,000 years. But over much of their early history they weren’t the only hominids walking the Earth. Among well-known fellow travelers were Neandertals (which died out around 30,000 years ago). A line of hominids closely related to them is known as the Denisovans (Deh-NEE-so-vins). Over time, Neandertals and Denisovans interbred with humans. But no...
    07:00 AM, November 27, 2015 Ancient Times
    Readability Score: 8.3
  • Doing Science

    I #Give2Science: Kate Travis

    I #Give2Science with my enthusiasm for science museums!- Kate Travis, Science News Deputy Managing EditorSSP is compiling photographs of how members of our community give back to science, whether that’s by teaching, doing research, performing experiments, inventing new things, participating in or supporting science fairs, mentoring young scientists, or even just looking at the world with a...
    03:30 AM, November 27, 2015
  • Predatory dinos were truly big-mouths

    Many dinosaurs are known for their fearsome teeth. Allosaurus had sharp, bladelike choppers. Many were 5 to 10 centimeters (2 to 4 inches) long. Tyrannosaurus rex had bigger ones — the size of bananas. Big teeth are a plus for a predator. But unless a creature can open its mouth very wide, long teeth might actually be a good recipe for starvation. Many big-toothed species survived for millions of...
    07:00 AM, November 25, 2015 Dinosaurs & Fossils
    Readability Score: 7.3
  • Concerns about Earth’s fever

    During the first two weeks of December, the United Nations is holding a major meeting in Paris, France. Delegates from 196 nations will be trying to put together a treaty — a set of binding laws — aimed at slowing the rise in Earth’s surface temperatures. Here is a rundown of the issues that will be driving those negotiations. If you are 10 years old, you have lived through at least five of the...
    07:15 AM, November 24, 2015 Weather & Climate, Earth, Sustainability
    Readability Score: 7.4
  • Questions for ‘Concerns over Earth’s fever’

    To accompany feature ‘Concerns over Earth’s fever’SCIENCEBefore reading:1.    Look up the definitions for “weather” and “climate.” How are these two different? Is there anything similar about them?2.    Excess carbon dioxide ends up in the atmosphere from the burning of oil and gas to drive cars, to heat and cool buildings and to run factories. Consider your normal day, one in which you go to...
    07:00 AM, November 24, 2015 Classroom Questions
  • Explainer: How scientists know Earth is warming

    Temperatures on Earth can soar above 40° Celsius (104° Fahrenheit) and drop well below 0 °C (32 °F). Despite that variability, scientists can calculate a global average. Countries around the world have had reliable weather monitoring stations on land and sea since about 1880. In the 1960s, researchers also began taking the Earth's temperature with the help of satellites. Satellites don't measure...
    07:00 AM, November 24, 2015 Weather & Climate, Earth
    Readability Score: 8.2
  • Eureka! Lab

    Scientists Say: Osmosis

    Osmosis (noun, “Oz-MO-sis”)The movement of a solution across a membrane — a barrier that blocks the flow of some, but not all, materials. The liquid in the solution will move from the side with fewer dissolved molecules toward the side with more. Movement will continue until the concentrations on both sides of the membrane are the same. Think of a solution low in water and high in salt next to a...
    07:00 AM, November 23, 2015
    Readability Score: 8.9

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