Researchers at UC Berkeley have open sourced Sky-T1, a ‘reasoning’ AI model that can be trained for less than $450.
The rapid evolution of artificial intelligence is transforming cybersecurity, offering unprecedented opportunities to defend against increasingly complex and automated threats. AI is no longer a support tool—it’s emerging as a central pillar of modern security strategies. From detecting anomalies and automating threat responses to augmenting security teams, AI is enabling defenders to act faster, scale their operations, and outpace attackers. However, as the technology advances, significant challenges remain, from adversarial AI to the cultural inertia of legacy systems.
Tomer Weingarten, CEO of SentinelOne, and Richard Stiennon, research analyst with IT-Harvest and author of Security Yearbook 2024, both highlight the potential—and limitations—of AI in cybersecurity. “It’s very early days for AI in security,” says Stiennon. “I have found 84 startups with various AI agents or which hope to deploy guardrails to protect companies from mishandling of data by users of AI. It’s way too early to say that any of them are having an impact on the ecosystem. That said, the future is clear. AI will be part of every cyber defense position.”
Weingarten echoes this sentiment, noting that AI’s role is rapidly expanding but far from mature. “AI is no longer just about supporting cybersecurity—it’s fundamentally changing how we secure systems, anticipate threats, and automate responses,” he explains.
Neuralink has implanted its device in third human patient and plans more procedures in 2025. The device allows paralyzed individuals to control external devices with their thoughts. The company is conducting studies to evaluate the safety and efficacy of its brain implants. Neuralink aims to revolutionize neurotechnology.
We crafted our first rodent car from a plastic cereal container. After trial and error, my colleagues and I found that rats could learn to drive forward by grasping a small wire that acted like a gas pedal. Before long, they were steering with surprising precision to reach a Froot Loop treat.
As expected, rats housed in enriched environments – complete with toys, space and companions – learned to drive faster than those in standard cages. This finding supported the idea that complex environments enhance neuroplasticity: the brain’s ability to change across the lifespan in response to environmental demands.
Based on the history of life here on earth, at least one prominent paleontologist thinks that complex life in the cosmos is likely very rare.
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The BBC claims that researchers have found the first evidence for string theory, citing a recent discovery of long-wavelength gravitational waves that might indicate the existence of so-called “cosmic strings.” Crazier still, they think that this could allow time travel! But do these gravitational waves actually mean that cosmic strings exist? And what, if anything, does it have to do with time travel?
Continue reading “Have Researchers Found The First Evidence For String Theory?” »
Microplasma devices are incredibly versatile tools for generating and sustaining plasmas on micro-and millimeter scales. The latest advances in nanotechnology now promise to expand their range of applications even further but, so far, this progress has been held back by the limited stability of some nanostructures at the extreme temperatures required to sustain many plasmas.
In a recent study published in Fundamental Plasma Physics, K J Sankaran and colleagues at the CSIR Institute of Minerals and Materials Technology, Bhubaneswar, India, overcome this challenge by decorating sheets of graphene with more stable nanodiamonds—that is, diamonds with diameters smaller than about 100 nm—allowing them to endure far more extreme conditions.
This combined material could expand the use of microplasma devices across a diverse array of useful applications, such as sterilizing and healing wounds, analyzing chemicals, and displaying images.
A new blood test may be key to diagnosing Alzheimer’s disease before the condition becomes debilitating.
Neuroscientists at New York University collected and analyzed the blood samples of 125 subjects for acetyl-L-carnitine (ALC) and free-carnitine, two markers essential for brain function.
These substances help to power cells, as well as regulate glutamate, which is involved in most brain activities.
