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Writer Fuel: Scientists Print Human Brain Tissue. What Could Possibly Go Wrong?

man holding a glowing human brain - deposit photos

For the first time, scientists have generated functional human brain tissue using a 3D printer. Scientists printed the tissue to be less than 0.01 inch (0.02 centimeter) thick, and it contains both nerve cells and supporting cells called glia. All of these cells can communicate with one another and form networks, as they would in … 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: It’s Getting Hot On Here

Earth burning after a global disaster - deposit photo

Before the year has even come to a close, climate experts are certain that 2023 will be the hottest year in recorded history. And while several factors are impacting this year’s record heat, researchers say human-caused climate change is overwhelmingly responsible. On Dec. 6, the Copernicus Climate Change Service (C3S) — part of the European … Read more

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Writer Fuel: Scientists Closer to Creating Powerful Laser Weapons

Laser Beams from a space ship above a planet - deposit photos

High-powered infrared laser weapons could be on the horizon after scientists figured out how to make lasers nine times more powerful. Militaries have already deployed laser-powered weapons, as popularized by films like “Star Wars,”, but they’re much weaker than those seen on screen and can only disable small airborne targets. The light In these current … 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

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Writer Fuel: Get Your Lab Grown Meat Here!

This is a lab-grown chicken breast, produced by the company Good Meat. (Image credit: Courtesy of Good Meat)

Lab-grown meat, made from chicken cells cultured in steel tanks, can now be produced and sold in the U.S. for the first time. Two California-based companies — Upside Foods and Good Meat, a subsidiary of Eat Just — became the first in the nation to get approval from the U.S. Department of Agriculture (USDA) to … Read more

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Writer Fuel: Doctors Identify Gene That Causes Insatiable Hunger

hungry child - deposit photos

Two children who experienced intense, insatiable hunger that drove them to overeat have rare, never-before-seen genetic mutations that interfere with leptin, a key hormone that helps tell the body when it is full, a new case report says. After white fat cells make leptin, it plugs into the brainstem and hypothalamus, brain regions that help … Read more

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Writer Fuel: Elon Musk Wants to Put a Chip in Someone’s Brain

brain chip - deposit photos

Elon Musk’s brain-implant company Neuralink has been given clearance from the U.S. Food and Drug Administration (FDA) to carry out its first trials in humans, according to news reports. Neuralink aims to use its brain-computer interface (BCI) technology to restore movement in people with quadriplegia, meaning complete or partial paralysis of the arms, legs and … Read more

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Writer Fuel: The Science Behind Déjà Vu

déjà vu definition - deposit photos

You’re walking somewhere you’ve never been before and suddenly feel as though you’ve strolled down the same road already. You’re experiencing the well-known phenomenon déjà vu — but what is déjà vu, really, and why does the strange feeling happen? Déjà vu is a French expression meaning “already seen,” which was first used in 1876 … Read more

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Writer Fuel: We’re All Jellyfish

Comb Jellyfish - Deposit Photos

After decades of debate, scientists believe they have identified the most recent ancestor of the sister to all animals via the novel use of an analytical technique. The finding settles a central question about the evolution of the entire tree of animal life. All animal life is descended from a single common ancestor — a … Read more