Planetary Sciences

Curiosity rover provides new insights into how Mars became uninhabitable

NASA's Curiosity rover, currently exploring Gale crater on Mars, is providing new details about how the ancient Martian climate went from potentially suitable for life—with evidence for widespread liquid water on the surface—to ...

Archaeology

Sacrificial burial confirms Scythians' eastern origins

Archaeologists have uncovered evidence for sacrificial funerary rituals at the Early Iron Age burial mound of Tunnug 1 in Tuva, Siberia, indicating that the horse-riding Scythian culture, best-known from Eastern Europe, originated ...

US industrial policy may strengthen EV battery supply chain

Vehicle electrification is an important pathway to reducing global greenhouse gas emissions. The supply chain for electric vehicle battery materials relies heavily on China, a dependency that can leave the US vulnerable to ...

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Medical Xpress

Tech Xplore

Ending jet lag: Scientists discover secret to regulating our body clock

Scientists have discovered a revolutionary way to put an end to jet lag by uncovering the secret at the tail end of Casein Kinase 1 delta (CK1δ), a protein that regulates our body clock. This breakthrough, achieved by researchers ...

What is microRNA? Nobel-winning discovery explained

The Nobel Prize in Medicine was awarded on Monday to two US scientists for discovering microRNA, a previously unknown type of genetic switch which is hoped can pave the way for new medical breakthroughs.

Hera spacecraft launched to examine asteroid collision site

A spacecraft blasted off Monday to investigate the scene of a cosmic crash. The European Space Agency's Hera spacecraft rocketed away on a two-year journey to the small, harmless asteroid rammed by NASA two years ago in a ...

Singapore families show high resilience during pandemic

A recent study by the National University of Singapore Yong Loo Lin School of Medicine (NUS Medicine) analyzing the resilience of Singaporean families during the COVID-19 pandemic has uncovered significant findings that highlight ...

Researchers say life expectancy nearing its limit

Humanity is hitting the upper limit of life expectancy, according to a new study. Advances in medical technology and genetic research—not to mention larger numbers of people making it to age 100—are not not translating ...

For UN Agenda: Data gaps detected in 193 countries

To make informed decisions, governments and international organizations need data. The United Nations has been analyzing the global availability of such data together with ETH Zurich. This has brought to light some surprising ...

The extraordinary life of Alfred Nobel

The Nobel prizes may be one of the most famous and prestigious awards in the world—but who was the man behind them? As I explain in my lectures about Alfred Nobel, the inventor and entrepreneur has left a lasting legacy ...

U.S. COVID deaths may be underestimated by 36%

More than 200,000 people in the United States have now died from COVID-19. But the death toll of the U.S. epidemic is likely much higher, according to a new, first-of-its-kind study from researchers at the University of Pennsylvania, ...

Using physics to map the chaos of movement in living organisms

The behavior of living organisms might obey the same mathematical laws as physical phenomena, such as weather and the motion of planets, says new research from the Biological Physics Theory Unit at the Okinawa Institute of ...

On the trail of causes of radiation events during space flight

Scientists have made significant progress in understanding the sources of radiation events that could impact human space-flight operations. Relativistic electron precipitation (REP) events are instances when high energy electrons ...

Tracking sea turtle egg traffickers with GPS-enabled decoy eggs

By placing 3-D-printed and GPS-enabled decoy sea turtle eggs into nests on the beach, it's possible to gather key evidence needed to expose rampant illegal trade of the eggs, suggests a study publishing in the journal Current ...

In an era of team science, are Nobels out of step?

With the 2020 Nobel prizes this week comes a recurrent question: has the world's most prestigious awards for physics, chemistry and medicine—first conferred in 1901—lost touch with the way modern science is conducted?

How we make moral decisions

Imagine that one day you're riding the train and decide to hop the turnstile to avoid paying the fare. It probably won't have a big impact on the financial well-being of your local transportation system. But now ask yourself, ...

Terahertz zaps alter gene activity in stem cells

Terahertz light pulses change gene expression in stem cells, report researchers from Kyoto University's Institute for Integrated Cell-Material Sciences (iCeMS) and Tokai University in Japan in the journal Optics Letters. ...

Using elastomer films to generate electricity

Water is still the most important source of renewable energy in Bavaria, Germany, accounting for some 33 percent of all renewable energy produced in the region, as showed by the Bavarian Energy Map. But conventional hydroelectric ...

Global airborne mission to make ozone hole detour

Atmospheric researchers depart this month on NASA's DC-8 research aircraft on their third survey of the global atmosphere. Taking place for the first time in Northern Hemisphere fall, the season gives them the unique opportunity ...

95 minutes over Jupiter

This sequence of color-enhanced images shows how quickly the viewing geometry changes for NASA's Juno spacecraft as it swoops by Jupiter. The images were obtained by JunoCam.

Catching the shadow of a Neptunian moon

Researchers on the flying observatory SOFIA, the Stratospheric Observatory for Infrared Astronomy, are preparing for a two-minute opportunity to study the atmosphere of Neptune's moon Triton as it casts a faint shadow on ...

Drones controlled with brain-computer interface

Single unmanned autonomous vehicles (UAVs) directed by joysticks, radio controllers, and mobile phones are already accomplishing a variety of useful tasks, such as aerial photography and security patrols. But using multiple ...

Win-win strategies for climate and food security

Climate policies that target agriculture and forests could lead to increased food prices. But reducing deforestation and increasing soil carbon sequestration in agriculture could significantly reduce greenhouse gas emissions ...