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Environment Dec 13, 2023

Hard-fought COP28 agreement suggests the days of fossil fuels are numbered—but climate catastrophe is not yet averted

As negotiators stagger towards their beds in Dubai and another year's climate talks come to a close, it's time to take stock. Did COP28 achieve the big breakthrough the world needs on climate change?

Astronomy Dec 1, 2023

Could life exist in molecular clouds?

Our search for life beyond Earth is still in its infancy. We're focused on Mars and, to a lesser extent, ocean moons like Jupiter's Europa and Saturn's Enceladus. Should we extend our search to cover more unlikely places ...

Nanophysics Nov 30, 2023

A theoretical approach to ferroelectricity in hafnia-related materials

Hafnia ferroelectrics are based on their technical promise and remarkable behaviors, where the peculiarities stem from an active extrinsic mechanism that contributes to their properties from a growing number of new intrinsic ...

Space Exploration Nov 28, 2023

Aerocapture is a 'free lunch' in space exploration

When spacecraft return to Earth, they don't need to shed all their velocity by firing retro-rockets. Instead, they use the atmosphere as a brake to slow down for a soft landing. Every planet in the solar system except Mercury ...

Planetary Sciences Nov 7, 2023

Studies of geologic faulting on icy moons aid exploration of extraterrestrial watery worlds

On the surface of many of the icy moons in our solar system, scientists have documented strike-slip faults, those that occur when fault walls move past one another sideways, as is the case at the San Andreas fault in California. ...

Space Exploration Oct 10, 2023

Want to explore Neptune? Use Triton's atmosphere to put on the brakes

Aerobraking is commonly used to slow down spacecraft when they arrive at various planetary systems. It requires a spacecraft to dip into the atmosphere of a celestial body in the planetary system, such as a moon or the planet ...

Planetary Sciences Oct 4, 2023

Creating a 3D model of methane lake impact on local weather on Titan

A team of Earth and planetary scientists from the Southwest Research Institute, Yale University, Université Paris-Saclay, Universidad del País Vasco/Euskal Herriko Unibertsitatea and Sorbonne Université has created a 3D ...

Archaeology Sep 30, 2023

Video provides first clear views of WWII aircraft carriers lost in the pivotal Battle of Midway

Footage from deep in the Pacific Ocean has given the first detailed look at three World War II aircraft carriers that sank in the pivotal Battle of Midway and could help solve mysteries about the days-long barrage that marked ...

Biotechnology Sep 21, 2023

Innovative solution for poultry litter waste management uses photocatalytic titanate nanofibers

The shift away from using poultry litter for crop fertilization has transformed this once-valuable agricultural byproduct into an environmental liability for poultry producers. Addressing this challenge, a study led by Dr. ...

Social Sciences Sep 19, 2023

Shops and restaurants can help blur class lines, but interactions may not be meaningful enough to boost social mobility

"Titanic," James Cameron's 1997 multi-Oscar-winning movie, focused on the tragic love story of itinerant artist Jack and upper-class socialite Rose. Among their other on-board adventures, they dined in the first-class section ...

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