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Writer Fuel: Has NASA’s Perseverance Rover Already Unearthed Signs of Past Life on Mars?

NASA'S Perseverance Rover

NASA’s Perseverance rover has found that Mars’ Jezero crater was at one point filled with water, offering a tantalizing hope that it may have already unearthed fossilized life on the planet. The rover, which first touched down on the crater in February 2021 along with its now-retired helicopter companion Ingenuity, made the discovery using ground-penetrating … Read more

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Writer Fuel: Gene Therapy Used to Restore Hearing in Rare Form of Deafness

3D human ear anatomy - deposit photos

Several children born with a rare, inherited form of deafness can now hear thanks to two new gene therapies, clinical trial results show. Both therapies target the gene for otoferlin, a protein in the inner ear that lets nerve cells translate vibrations from sound into electrical signals that can be interpreted by the brain. Mutations … Read more

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Writer Fuel: Scientists Combine AI With a “Mini Brain”

brain microchip concept - deposit photos - AI artificial intelligence

To boost the computing power of artificial intelligence (AI), researchers have combined run-of-the-mill machine learning with a sophisticated 3D model of the human brain made of different types of brain tissue grown in the lab. These miniature models of the brain, known as cerebral organoids or “minibrains,” have existed in various forms since 2013. But … Read more

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Writer Fuel: Was There Life Right After the Big Bang?

Big Bang - Deposit Photos

Life has found a home on Earth for around 4 billion years. That’s a significant fraction of the universe’s 13.77 billion-year history. Presumably, if life arose here, it could have appeared anywhere. And for sufficiently broad definitions of life, it might even be possible for life to have appeared mere seconds after the Big Bang. … Read more

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Writer Fuel: What is Epigenetics?

Old woman's hands - deposit photos

Why do common shrews live for only two years, while bowhead whales survive for two centuries? And could the answer give us hints as to how to extend our own, human life spans? The maximum life span of each species is estimated using the age of its longest-living member, and these vary by orders of … Read more

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Writer Fuel: Does Mouse Heaven Have Lessons for All of Us?

Mouse Heaven

Officially, the colony was called the Mortality-Inhibiting Environment for Mice. Unofficially, it was called mouse heaven. Biologist John Calhoun built the colony at the National Institute of Mental Health in Maryland in 1968. It was a large pen—a 4½-foot cube—with everything a mouse could ever desire: plenty of food and water; a perfect climate; reams … Read more

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Writer Fuel: This AI Can Read Your Mind (Sort Of)

brain chip - deposit photos

Using only a sensor-filled helmet combined with artificial intelligence, a team of scientists has announced they can turn a person’s thoughts into written words. In the study, participants read passages of text while wearing a cap that recorded electrical brain activity through their scalp. These electroencephalogram (EEG) recordings were then converted into text using an … Read more

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Writer Fuel: How Water Bears Mate

Tardigrade / Water Bear - Deposit Photos

Editor’s Note: Regular readers of this column know we never pass up the chance to share a story about our beloved water bears. 🙂 For the first time, scientists have figured out how tardigrades — some of the toughest creatures on the planet — mate. These tiny, hardy critters have few obvious differences between males … Read more

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Writer Fuel: A Fish With Antifreeze for Blood

Ocean Pout - Deposit Photos

Ocean pout live in frigid waters from Labrador in Canada to North Carolina and have evolved a blood protein that serves as antifreeze. Name: Ocean pout (Zoarces americanus) Where it lives: Western Atlantic Ocean, ranging from Labrador in Canada to North Carolina, in waters from near the shore to depths of almost 1,300 feet (400 … Read more

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Writer Fuel: Algorithm Reveals 188 New Types of CRISPR

scientist removes a snippet of DNA from a double helix - deposit photos - CRISPR

Scientists have unearthed 188 previously unknown types of CRISPR systems buried in the genomes of simple microorganisms. Best known as a powerful gene-editing tool, CRISPR actually comes from an inbuilt defense system found in bacteria and simple microbes called archaea. CRISPR systems include pairs of “molecular scissors” called Cas enzymes, which allow microbes to cut … Read more