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.

Space Exploration

NASA's laser comms demo makes deep space record, completes first phase

The Deep Space Optical Communications tech demo has completed several key milestones, culminating in sending a signal to Mars' farthest distance from Earth.

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.

New imaging technique accurately detects aggressive kidney cancer

A new study led by investigators from the UCLA Health Jonsson Comprehensive Cancer Center has demonstrated a new, non-invasive imaging technique can accurately detect clear-cell renal cell carcinoma, the most common form ...

Green subsidies may have hidden costs, experts warn

Government subsidies for business practices and processes should be approached with caution, even when they seem to be environmentally friendly, writes a group of scientists and economists in this week's Policy Forum in the ...

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Tech Xplore

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 ...

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 ...

Characterizing COVID-19 antibodies for potential treatments

New research led by Caltech has characterized a multitude of antibodies to the virus that causes COVID-19 and identified those that are most effective at neutralizing the virus. Antibodies are proteins produced by the body ...

Brain imaging can predict childhood weight gain

A greater density of cells in a key reward center of the brain is associated with obesity in children and predicts future weight gain, a new Yale-led study finds.

Tetrahedra may explain water's uniqueness

Researchers at the Institute of Industrial Science at the University of Tokyo sifted through experimental data to probe the possibility that supercooled water has a liquid-to-liquid phase transition between disordered and ...

Lessons learned, and some unheeded, after hurricanes

The 2017 Atlantic hurricane season does not end until after Thanksgiving in late November, but it has already been a memorable one. Harvey wrought havoc on Texas in August. Irma, which notched records for size and power, ...

Report offers advice for avoiding 'crisis contagion'

A collaborative research project involving a Victoria University researcher has identified key risk factors that increase the likelihood of 'crisis contagion', where a reputational crisis spreads from one company to another.

Image: California fires

The Copernicus Sentinel-3A satellite captured this image of smoke from wildfires in the US state of California on 9 October 2017.

Using penguins to monitor ocean health may be ineffective

Penguins are noisy, as any visitor to an aquarium knows. Penguins may be noisy in others ways too, according to a new study published in Nature Communications. Scientists have long used Adélie penguin populations to monitor ...

Artificial intelligence comes to the real estate market

While providing services to real estate agents, EnterUp Tecnologia, a startup based in São José do Rio Preto city, Brazil, identified a problematic gap between demand and supply in the online real estate market. Search ...

'Ring of Fire' volcanos remind Asia of seismic peril

The horseshoe-shaped string of active volcanos bounding the Pacific Ocean has lived up to its "Ring of Fire" name in the past month, sparking mass evacuations in Indonesia and Vanuatu and now setting parts of southwestern ...

Emergency alerts get scrutiny after deadly wildfires

Communities in wildfire-prone Northern California have an array of emergency systems designed to alert residents of danger: text messages, phone calls, emails and tweets. But after days of raging blazes left at least 23 dead, ...

SpaceX launches, lands recycled rocket

SpaceX on Wednesday launched a rocket that had already flown to space and landed it successfully on an ocean platform, as part of its ongoing effort to recycle costly rocket components.