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Scientists discover unknown virus in 'throwaway' DNA

A chance discovery has opened up a new method of finding unknown viruses.

Biology

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The full episode is no longer available for online streaming. Why?<p>Please continue to enjoy extra(s) from this episode. The full episode is still …

Biology 101 Update: A Cell’s Lysosomes Are More Than Garbage Disposals

The lysosome was once thought of as the trash can of the cell, a dead-end destination where cellular debris was sent for disposal. But a growing body …

CRISPR Could Turn Viruses Into Unstoppable Bio Weapons

White House science advisers warn of possible risks and ask for faster vaccine development and more vigilance.<p>The president's top science advisers …

Genetics

This space engine breaks a law of physics. But a NASA test says it works anyway.

NASA scientists have been daydreaming about a new kind of engine that could carry astronauts to Mars in 70 days without burning any fuel. Now, in a new paper published in the peer-reviewed Journal of Propulsion and Power, they say that it might really work.<p>The paper, written by scientists at NASA's …

Physics

Citizen scientists unite to find an Earth-like world around Alpha Centauri

Carl Sagan coined the term “pale blue dot” 26 years ago in reference to an image of Earth captured by the Voyager 1 spacecraft from 6 billion …

China is at the forefront of manipulating DNA to create a new class of superhumans

Would you want to alter your future children’s genes to make them smarter, stronger, or better looking? As the state of science brings prospects like these closer to reality, an international debate has been raging over the ethics of enhancing human capacities with biotechnologies such as so-called …

Molecular Biology

The Search for a Second Earth

Astronomers have already found thousands of planets that orbit their own stars. Some are at a distance where it’s neither too hot nor too cold for life to exist. With new, bigger telescopes being built, astronomers will be able to analyze the chemical composition of these planets’ atmospheres to …

Scientists explore how nutrition may feed mental health

Building on previous research showing the beneficial effects of a Mediterranean-style diet - rich in fruits and vegetables, healthy fats, nuts, and …

Mental Health

Quark-Gluon Plasma Simulation Reveals Surprising Complexity

When our universe burst into existence approximately 13.8 billion years ago, it initially gave birth to a “primordial soup” composed of a state of …

Scientists just synthesized the deadly toxin of an adorable frog

Death in a test tube<p>There's just around 170 milligrams – somewhere between the mass of a one-carat diamond and the amount of caffeine in a Monster Energy Drink. That’s how much batrachotoxin (BTX) is left in the world, according to the most recently available figures. Found in the skin of the …

Researchers Just Solved One of the Biggest Problems in Synthetic Biology

A Huge Wall<p>By applying engineering principles to biology, researchers can create biological systems that don’t exist naturally. A problem of …

DNA-editing breakthrough could fix 'broken genes' in the brain, heart and liver

Gene-editing technology has been used to restore partial vision to blind rats, paving the way for revolutionary new treatments that alter DNA in damaged parts of the body.<p>It is the first time scientists have precisely modified DNA in non-dividing cells of the sort that make up most adult organs and …

Genetics

Tiny super magnets could be the future of drug delivery

Microscopic crystals could soon be zipping drugs around your body, taking them to diseased organs. In the past, this was thought to be impossible - …

Nanotech

NASA finds unusual origins of high-energy electrons

High above the surface, Earth's magnetic field constantly deflects incoming supersonic particles from the sun. These particles are disturbed in …

Magnetism