Helmet-heads of the freshwater fish world, African mormyrid fishes are known for having a brain-to-body size ratio that is similar to humans. But there’s actually a great deal of variation in the size of mormyrid brains. These differences provide an opportunity to look at what’s behind the bulk. Researchers from Washington University in St. Louis

A new technology that relies on a moth-infecting virus and nanomagnets could be used to edit defective genes that give rise to diseases like sickle cell, muscular dystrophy and cystic fibrosis. Rice University bioengineer Gang Bao has combined magnetic nanoparticles with a viral container drawn from a particular species of moth to deliver CRISPR/Cas9 payloads

Climate change could pose a threat to male fertility—according to new research from the University of East Anglia. New findings published today in the journal Nature Communications reveal that heatwaves damage sperm in insects—with negative impacts for fertility across generations. The research team say that male infertility during heatwaves could help to explain why climate

Plants are boring. They just sit there photosynthesizing while animals have all the fun. Right? Not so much. Take a look at the interactions between ants and plants—plants have evolved features specifically to make them enticing to ants, like juicy nectar for the insects to eat and hollow thorns for them to take shelter in.

The state of Utah’s nickname is “The Beehive State,” and the moniker couldn’t be more apt, say Utah State University scientists. One out of every four bee species in the United States is found In Utah and the arid, western state is home to more bee species than most states in the nation. About half

A team of scientists designed a device that can induce partial hindlimb regeneration in adult aquatic African clawed frogs (Xenopus laevis) by “kick-starting” tissue repair at the amputation site. Their findings, appearing November 6 in the journal Cell Reports, introduce a new model for testing “electroceuticals,” or cell-stimulating therapies. “At best, adult frogs normally grow

Insect repellents containing picaridin can be lethal to salamanders. So reports a new study published today in Biology Letters that investigated how exposure to two common insect repellents influenced the survival of aquatic salamander and mosquito larvae. Insect repellents are a defense against mosquito bites and mosquito-borne diseases like dengue, chikungunya, Zika, and West Nile

A single protein regulates a battery of key genes inside developing sperm, according to a new study out of Case Western Reserve University School of Medicine. Scientists discovered the protein—called Dazl—controls a network of genes essential for developing sperm to replicate and survive. The findings, published in Cell Reports, could lay the groundwork for future

By studying barn owls, scientists at Johns Hopkins University believe they’ve taken an important step toward solving the longstanding mystery of how the brain chooses what most deserves attention. The finding, the cover article in the latest issue of the journal Cell Reports, likely applies to all animals, including humans, and offers new insight into

Each of us is only half human. The other half is microbial. Trillions of viruses, fungi, bacteria and other microscopic organisms coat our skin and line our vital organs. We depend on these microbial communities, collectively known as our microbiome, to digest food, synthesize vitamins, bolster immune systems, and even maintain mental health. This interdependence

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