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Indian astronomers have analyzed observational data of a gamma-ray blazar known as PKS 0402–362, collected in the timespan of nearly 13 years. The study, published March 7 in the Monthly Notices of the Royal Astronomical Society, provides crucial information regarding the long-term behavior of this blazar.

Blazars are very compact quasars associated with supermassive black holes (SMBHs) at the centers of active, giant elliptical galaxies. They belong to a larger group of active galaxies that host active galactic nuclei (AGN), and are the most numerous extragalactic gamma-ray sources. Their characteristic features are relativistic jets pointed almost exactly toward the Earth.

Based on their optical emission properties, astronomers divide blazars into two classes: flat-spectrum radio quasars (FSRQs) that feature prominent and broad optical emission lines, and BL Lacertae objects (BL Lacs), which do not.

Germany, India, Mexico, and Spain. As multiparty democracies, these countries present a more complex picture of what brings people together—or divides them. Using social media data, a group of researchers proposes a novel approach to measuring polarization in nations with multiple political parties.

Complexity Science Hub scientist Samuel Martín-Gutiérrez and his colleagues developed a model that infers opinions from social networks, and measures the left-right political division, as well as other more nuanced sources of tension. They analyzed Twitter data from the Spanish elections of 2015 and 2019.

“It’s important to understand polarization in our society, and our findings shed new light on how political beliefs are shaped,” says Martín-Gutiérrez. “Our approach can lead to useful insights when applied to real-world debates happening on social media.”

Compass readings that do not show the direction of true north and interference with the operations of satellites are a few of the problems caused by peculiarities of the Earth’s magnetic field.

The magnetic field radiates around the world and far into space, but it is set by processes that happen deep within the Earth’s core, where temperatures exceed 5,000 degrees Celsius.

New research from geophysicists at the University of Leeds suggests that the way this super-hot core is cooled is key to understanding the causes of the peculiarities—or anomalies, as scientists call them—of the Earth’s magnetic field.

Northwestern Medicine scientists have uncovered a mechanism by which exercise activates metabolic benefits in the body, according to a new study published in Cell Metabolism.

It’s well known that exercise elicits many health benefits. However, how this is accomplished is not yet well understood. During exercise, autophagy, the body’s cellular recycling system that allows old or damaged cellular structures to be broken down, is activated in both contracting muscles and various non-contracting organs, such as the liver.

In the study, investigators performed proteomic analyses on the blood of mice before and after exercise. They identified a protein secreted from contracting muscle, FN1, which significantly increased in the plasma and serum of mice after exercise.

Even if you’re in remission or you show no evidence of disease, you may still have fears that cancer may return. We spoke with our social work counselors to learn more about fear of recurrence and get advice on how to manage it.

Superconducting at 69F!
Advanced superconducting materials at room temperature will bring about a paradigm shift in human technology and help us make great advances in energy, medicine, electronics and space explorations.
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The cryptojacking group known as TeamTNT is suspected to be behind a previously undiscovered strain of malware used to mine Monero cryptocurrency on compromised systems.

That’s according to Cado Security, which found the sample after Sysdig detailed a sophisticated attack known as SCARLETEEL aimed at containerized environments to ultimately steal proprietary data and software.

Specifically, the early phase of the attack chain involved the use of a cryptocurrency miner, which the cloud security firm suspected was deployed as a decoy to conceal the detection of data exfiltration.

A new threat actor, YoroTrooper, has been identified by Cisco Talos as running espionage campaigns targeting government and energy organizations.

With inflation sparking an increase in the cost of repairs, labor and claims, fees for insurance are similarly spiking across the board. Car insurance premiums rose 13.7% nationally over the past year, according to a study from Bankrate.com. Home insurance, meanwhile, climbed 12.1% year-on-year, Policygenius found.

But Jonathan Matus argues that it doesn’t have to be that way. He’s the founder of Fairmatic, a company that’s applying AI to — at least according to him — reduce risk in the car insurance industry.

Matus previously founded Zendrive, a platform that provides insights to enterprises for car insurance underwriting and claims as well as roadside assistance. While Zendrive is focused on insurance for individuals and families, Fairmatic has a more commercial bent — a customer base made up primarily of businesses.