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Новости за 17.12.2024

ChatGPT Plus vs. Pro: Is it worth the upgrade?

Digital Trends 

OpenAI's Pro subscription tier costs a jaw-dropping $200 per month. This guide will help you decide if that much generative compute power is really necessary.

Trump’s tax cuts expire soon − study shows devastating effect they had on many

Raw Story 

By Beverly Moran, Professor Emerita of Law, Vanderbilt University

The Tax Cuts and Jobs Act, a set of tax cuts Donald Trump signed into law during his first term as president, will expire on Dec. 31, 2024. As Trump and Republicans prepare to negotiate new tax cuts in 2025, it’s worth gleaning lessons from the president-elect’s first set of cuts.

The 2017 cuts were the most extensive revision to the Internal Revenue Code since the Ronald Reagan administration. The changes it imposed... Читать дальше...

Russian military on the move by land and air in Syria

Voice of America 

Amid conflicting reports about Russia’s future in Syria, Russian military assets are on the move in Latakia, the home province of fallen dictator Bashar al-Assad and his father, Hafez al-Assad, known locally in death as “the immortal leader.” VOA’s Heather Murdock reports. Videographer: Yan Boechat

Humpback whale mother-calf health assessed using drone tech

Phys.org 

University of Hawaiʻi at Mānoa Hawaiʻi Institute of Marine Biology biologists used drone imagery to understand how nursing humpback whale mothers and their calves fare as they cross the Pacific Ocean. Recent declines in North Pacific humpback whale reproduction and survival of calves highlight the need to understand how mother-calf pairs expend energy across their migratory cycle. The study was published in The Journal of Physiology.

Very cold detectors reveal very hot universe and kick off a new era in X-ray astronomy

Phys.org 

X-rays are radiated by matter hotter than one million Kelvin, and high-resolution X-ray spectroscopy can tell us about the composition of the matter and how fast and in what direction it is moving. Quantum calorimeters are opening this new window on the universe. First promised four decades ago, the quantum-calorimeter era of X-ray astronomy has finally dawned.

Images of crucial cell receptors show promising new drug targets

Phys.org 

Almost 35% of drugs approved by the Food and Drug Administration work by targeting G protein-coupled receptors (GPCRs), proteins embedded in cell membranes that allow cells to communicate with each other. Adhesion G protein-coupled receptors (aGPCRs) are the second largest family of these receptors in humans. As their name suggests, they help cells adhere (stick to each other), and send signals inside the body.