Topic: Earth and Space Science

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Current Event April 5, 2018

Space Travel Alters Genes

Earth and Space Science Space Systems Human body

NASA scientists now know more about how space travel affects the human body. They were able to study the genes of identical twins. One who went into space for a year and one who stayed on Earth. Since they share the same DNA profile, scientists had a chance to study changes to their bodies as well as changes to their DNA. The study showed that genes do change in space and remain changed even months after returning to Earth. Listen to learn more about how space travel can change human DNA.

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Current Event March 28, 2018

World’s Best-Known Scientist, Stephen Hawking

Earth and Space Science

Stephen Hawking was considered by many to be the greatest scientist of his generation. He was brilliant and funny and authored a best selling book titled “A Brief History of Time.” He had ALS, a disease that led to his paralysis. But he was able to overcome his adversity and do great work as a scientist by using a speech-generating device with the muscles in his cheek. As a theoretical physicist, his work explored the mysteries of the universe and black holes and inspired millions of people. Listen to this story about Stephen Hawking’s life and accomplishments.

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Zvezda toilet

Current Event February 22, 2018

Recycling Poop In Space to Eat

Earth and Space Science Space Systems

Traveling in space for months at a time may be possible soon. Packing all of the food and water needed would take a lot of space and fuel. American crews on the International Space Station already recycle their own sweat and urine, and now scientists are finding ways to recycle other waste products including feces. Bacteria helps to break down human waste and at the end of the process make it into food that can supplement an astronaut’s diet. Listen to hear more about the next steps in making recycling poop in space a reality.

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Current Event January 24, 2018

Supernova Discovery

Earth and Space Science Space

Supernovas happen at the end of a star’s life and then they fade away. Scientists are struggling to explain why one supernova has lasted for the past three years. During research, scientists found documentation from the 1950s that indicate this supernova was long-lasting back then. This discovery is challenging the established theories of how stars evolve. Listen to learn how scientists are rethinking their theories about supernova.

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Current Event December 22, 2017

A Scientist Explains Santa's Christmas Eve Journey

Earth and Space Science Culture

Many boys and girls have wondered how Santa Claus delivers toys to every child in one night. This story takes a scientific approach to answering that question. Scientist Neil deGrasse Tyson explains how Santa avoids burning up in the atmosphere when going at the speed of light, and how the reindeer might be more technically equipped than we think. Listen to learn about the military program that has been tracking Santa for years and information about Santa that you might not know.

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640px aftermath of the 2017 chiapas earthquake

Current Event October 4, 2017

Volunteers Clean Up After Mexico's Earthquake

Earth and Space Science

Mexico has had three huge earthquakes within 15 days. One earthquake registered 7.1, killing at least 245 people and injuring more than a thousand people in and around Mexico City. Volunteers, both with and without rescue experience, are searching for survivors in the rubble of collapsed buildings. People around Mexico are gathering to prepare food, hand out water, and support each other. Listen to hear more about how people from Mexico are coming together to help each other during this crisis.

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Current Event September 27, 2017

The Link Between Research and Inventions

Life Science Earth and Space Science Physical Science

Hundreds of billions of dollars are spent each year on basic research. A new study shows that money is not wasted since there is a strong link between basic research and future patented inventions. Researchers studied 4.8 million patents issued by the U.S. Patent Office and 32 million scientific papers and found a strong link between new technologies and research. Listen to hear more about this link.

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Current Event August 21, 2017

Solar Eclipse

Earth and Space Science

Solar Eclipses are a natural phenomena that occur when the moon passes between the Earth and the sun, momentarily blocking the sun’s light from reaching Earth’s surface. For the first time in many years, people in some parts of the United States will get to see a total solar eclipse. Listen to hear from a few self-defined eclipse addicts, who reflect on their eclipse experiences and marvel at its beauty.

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Science Middle School

Low

The Center of the Earth

Earth and Space Science Geology

There is no natural hole to the center of the planet Earth, so seeing what is in the center is difficult. University of Miami professor Ta-Shana Taylor talks about what is deep into the center of the Earth. Scientists haven’t ever drilled deeper than 2,000 feet into the Earth’s crust. Seismographs are used to measure earthquakes, which send waves of motion through the earth’s crust. Listen to hear about how scientists have tried to discover what is in the center of our planet.

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Current Event May 11, 2017

Record Breaking Trip in Space

Earth and Space Science

NASA astronaut Peggy Whitson has just broken the record for the most days spent in space. She has been off planet Earth longer than any other American in history. Whitson is also the first woman to command the International Space Station. President Donald Trump congratulated her in a call to the Space Station and she sent a message to young people. Listen to learn more about Whitson and her historic record.

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Current Event March 9, 2017

The Math Heroes of Hidden Figures

Earth and Space Science Gender Mathematics

During the space race between the United States and Russia, many of the NASA mathematicians who made space flight possible were women. Moreover, many of these important scientists were black women, which is significant, because segregation was still in full effect. Although white male engineers and astronauts have been the most highlighted in history, people are now celebrating the essential contributions of these female, African-American scientists, including the movie “Hidden Figures.” Listen to learn more about the black female scientists like Katherine Johnson and their important contributions to space travel.

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Current Event December 20, 2016

Astronaut John Glenn a Pioneer

Earth and Space Science Space Systems

The first American to orbit the Earth, John Glenn, also had a political career as a U.S. senator. After his historic space flight, he served in Congress for 24 years. At the end of his political career, at the age of 77, he went back into space and became the oldest person to fly in space on the shuttle Discovery. Listen to hear more about the extraordinary life of John Glenn.

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Current Event December 7, 2016

Theories of Dark Matter

Earth and Space Science Space Systems

Dark matter is invisible and barely interacts with anything else. Finding dark matter and proving it exists is a difficult task. There are a few theories about what dark matter is but no one has found a way to detect it. It could be that the universe is mostly invisible. Listen to hear more about dark matter and what it can tell us.

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Current Event November 2, 2016

Glowing Space Blobs Shows Galaxies Inside

Earth and Space Science Space Systems

Astronomers have noticed blobs of eerie light glowing in outer space and have been puzzled by them since their discovery. Astronomers were studying galaxies in the distant universe, when they noticed strange glowing clouds of gas that were 10 times the diameter of the Milky Way. They have been looking into the source of light coming from the blobs and have recently made an interesting discovery that reveals why the blobs produce a glow.

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Current Event August 31, 2016

Gravitational Waves

Earth and Space Science Space Systems

Scientists have discovered evidence of gravitational waves, which show ripples in space and time. A new machine has made it possible for scientists to observe space in a whole new way. Recently, the machine picked up vibrations from the collision of two black holes. The discovery comes a few months after the very first detection of gravitational waves. With these tools, scientists can look at the universe in a new way. In this story you will hear the signal from the black holes converted from gravitational waves to soundwave.

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Current Event August 17, 2016

NASA Plans to Send Us Daily Images from Space

Earth and Space Science Space Systems

NASA is preparing to launch a spacecraft that will measure and report space weather and provide live images of Earth. The idea to provide Earth’s images for the public to view started with former Vice President, Al Gore, in 1992. He believed everyone should be able to view and study the earth. The satellite’s ability to measure space weather will help prevent against damaging effects on earth from things like solar storms that can damage electric power grids. After more than a decade, Gore’s vision is becoming a reality. Listen to hear more about this new satellite.

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Current Event May 26, 2016

New Planets Could Support Life

Earth and Space Science Space Systems

Scientists recently made an exciting discovery. They spotted three, earth-sized planets beyond our solar system. Though scientists have found many planets in the past, these particular ones are special because they may potentially support life. They each orbit a reddish “dwarf star” that is smaller than our sun and much cooler. Scientists used to ignore these dwarf stars, but now we know that such stars can produce planets worth studying. Scientists will continue to analyze these planets to find out more about their atmospheres and properties. Listen to hear more about these three newly-discovered worlds.

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Current Event May 10, 2016

Nepal Earthquake a Year Later

Politics Earth and Space Science

The Himalayan country of Nepal was rocked by a devastating earthquake that killed almost 9,000 people one year ago. Today, the country still suffers from widespread homelessness, power outages and a serious lack of basic supplies. Even with the large amounts of money pledged to Nepal, none of that money actually arrived to help the people. Monsoon season is approaching and the people need more secure living situations in order to survive. Listen to hear more about the conditions in Nepal after the earthquake.

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Current Event April 18, 2016

Space Sleepover

Earth and Space Science Space Systems

Astronauts live and work in small spaces. If they were to stay in space for years at a time, they would need a larger place to live. The problem has been how to pack something large into a small space capsule. The solution may be an inflatable room. NASA is now ready to test a new inflatable habitat. It will be sent to the International Space Station for a trial. Listen to hear more about this invention.

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