Planetary Sciences

X-rays advance understanding of Earth's core-mantle boundary and super-Earth magma oceans

Researchers at the Department of Energy's SLAC National Accelerator Laboratory have revealed new details about Earth's core-mantle boundary and similar regions found in exoplanets.

Earth Sciences

Five-mile asteroid impact crater below Atlantic captured in 'exquisite' detail by seismic data

New images of an asteroid impact crater buried deep below the floor of the Atlantic Ocean have been published today by researchers at Heriot-Watt University.

Mercury's magnetic landscape mapped in 30 minutes

As BepiColombo sped past Mercury during its June 2023 flyby, it encountered a variety of features in the tiny planet's magnetic field. These measurements provide a tantalizing taste of the mysteries that the mission is set ...

People infer the past better than the future, study finds

If you started watching a movie from the middle without knowing its plot, you'd likely be better at inferring what had happened earlier than predicting what will happen next, according to a new Dartmouth-led study published ...

Here's why B cells benefit from booster shots

Certain infectious diseases, such as COVID or the flu, evolve constantly, shapeshifting just enough to outmaneuver our immune systems and reinfect us repeatedly. But subsequent reinfections often don't lead to the most severe ...

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Medical Xpress

Tech Xplore

How doxycycline for STI prevention affects the gut microbiome

Taking a dose of the oral antibiotic doxycycline after a high-risk sexual encounter has dramatically reduced the incidence of sexually transmitted infections (STIs) in places where the strategy is being tried.

Scientists engineer bacteria-killing molecules from wasp venom

A team led by scientists in the Perelman School of Medicine at the University of Pennsylvania has engineered powerful new antimicrobial molecules from toxic proteins found in wasp venom. The team hopes to develop the molecules ...

Software spots and fixes hang bugs in seconds, rather than weeks

Hang bugs—when software gets stuck, but doesn't crash—can frustrate both users and programmers, taking weeks for companies to identify and fix. Now researchers from North Carolina State University have developed software ...

Global lake warming trend threatens freshwater species

Holding over 80% of Earth's surface freshwater, lakes support and sustain communities across the planet. A new study uses satellite data to underline the vulnerability of these inland water bodies to climate change and warns ...

Dueling proteins give shape to plants

In an elegant choreography, plants take cues from their environment and channel them into flowers, roots, or branches. In a new paper in Nature Communications, biologist Doris Wagner of the School of Arts & Sciences and colleagues ...

Pumas living near human development expend more energy

Pumas living near human development are more active at night, thus expending more energy each day, which could affect their fitness, according to a study published October 11, 2017 in the open-access journal PLOS ONE by Yiwei ...

Unraveling the genetics of disc disease in dogs

Since the early 1900s, veterinarians have observed intervertebral disc disease—a common cause of back pain, rear limb paralysis and inability to walk—more frequently in dogs with short legs (dachshund, French bulldog, ...