Tags biology

Mice Prefer Videos of Fighting to Videos of Sex But They Prefer Drugs Most of All

Credit: Rama/Wikimedia

Researchers at Keio University spent weeks showing laboratory mice footage of mouse porn, mouse fights, and mouse sniffing. They found out that mice can distinguish between social behaviors—and that they prefer seeing fighting to sex, unless drugs are involved.

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Esther Inglis-Arkell

February 12th

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New ‘Mini-Brains’ Could Put Thousands of Lab Animals Out of Work

Credit: Thomas Hartung/CAAT

Researchers at Johns Hopkins Bloomberg School of Public Health have produced tiny brains made of human neurons and cells. These mini-brains could radically change how drugs are tested, replacing the many animals currently being used for neurological scientific research.

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George Dvorsky

February 12th

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New ‘Mini-Brains’ Could Put Thousands of Lab Animals Out of Work

Credit: Thomas Hartung/CAAT

Researchers at Johns Hopkins Bloomberg School of Public Health have produced tiny brains made of human neurons and cells. These mini-brains could radically change how drugs are tested, replacing the many animals currently being used for neurological scientific research.

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George Dvorsky

February 12th

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The Older You Get, the More Likely It Is You’ll Have Mutated ‘Selfish’ Sperm Cells

It’s well established that older men are more likely to pass on a genetic disorder to their offspring, but we’re learning more about why this happens: As men age, their sperm mutates more frequently. This is bad news for men who want to have children later in life.

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George Dvorsky

February 9th

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What Happens When You Keep Fruit Flies in Total Darkness for 60 Years

Since 1954, Kyoto University has been managing a population of fruit flies, living in total darkness. Now, after interbreeding some of these “dark flies” with regular flies, the researchers are learning more about the genetic adaptations taking place when fruit flies are kept entirely in the dark.

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Esther Inglis-Arkell

February 9th

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How ‘Memory Hacking’ Is Becoming a Reality

Movies like Eternal Sunshine of the Spotless Mind and Inception suggest it may eventually be possible to erase, modify, or even implant memories into your brain. An upcoming episode of NOVA introduces viewers to this futuristic possibility and the scientists who are trying to make it happen.

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George Dvorsky

February 9th

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These Bacteria Are Essentially Tentacle-Covered Eyeballs

If you’ve ever gone skinny-dipping and had the creepy feeling you were being watched, you were right. The green slime floating on the surface of the water and coating the rocks was watching you. And it was doing it using eyes similar to your own human ones. That’s according to new findings by a team of scientists from Britain and Germany, which is published in eLife.

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Esther Inglis-Arkell

February 9th

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Bloodthirsty Ticks Have a Seriously Weird Genome

Ticks—those unbreakable, blood-lusting arthropods that haunt your summer camp memories—have some fascinating genetic secrets. The tick genome tells a tale of weaponized spit, expandable armor, and how to drink 100 times one’s body weight in blood. Strangest of all, it’s utterly enormous.

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Maddie Stone

February 9th

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A Newly-Discovered Organism Turns Mud Snails Into Tiny Ravers

The mollusks pictured above are either getting ready for Coachella, or showcasing an intriguing new species of sea creature. This just-discovered type of polyp spends its life decorating the shells of snails.

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Esther Inglis-Arkell

February 5th

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New Zika Guidelines Advise Pregnant Women to Avoid Sex

The U.S. Centers for Disease Control and Prevention is asking pregnant women to abstain from sex if their partner has recently visited an area where Zika is currently active. The CDC’s updated guidelines also offers advice for men and their nonpregnant partners.

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George Dvorsky

February 5th

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