Science and Technology

Dreaming is a nearly universal human experience: most people dream several times per night, yet the content, clarity, and memory of dreams vary widely. Scientists study dreams to understand memory, emotion, creativity, and brain function. While no single definitive answer explains why we dream, converging evidence from neurobiology, psychology, evolutionary theory, and clinical studies offers a coherent picture of multiple functions and mechanisms.What happens in the brain during dreamingDreams are most vivid during rapid eye movement (REM) sleep, although dreams also occur in non-REM sleep. Key physiological facts:Sleep cycles generally recur every 90 minutes, and adults usually move through about…

Earth’s core might harbor immense concealed stores of hydrogen, a possibility that could overturn long‑standing ideas about the planet’s water origins, with a hidden cache beneath the surface potentially surpassing the volume of all existing oceans.This finding may radically shift current views of Earth’s formation and the true source of its water.Deep beneath the crust and mantle, at depths far beyond the reach of any drilling technology, Earth’s core stands as one of the planet’s most inaccessible realms; however, emerging research indicates that this hidden, extreme environment might conceal a remarkable secret: an immense reserve of hydrogen that could surpass…

Therapeutic cancer vaccines mark a transition from simple prevention to active intervention: rather than stopping infection or the emergence of disease, they are designed to teach the patient’s immune system to identify and eliminate tumor cells already present. During the last ten years, progress in immunology, genomic sequencing, and delivery platforms has pushed therapeutic vaccines beyond early concepts and small pilot studies, moving them toward practical approvals and large randomized trials. This article outlines the fundamental principles, details major modalities with representative examples, reviews clinical evidence and existing hurdles, and points to the directions the field is poised to take.What…

A quiet experiment is exploring what unfolds when artificial intelligence systems engage with each other on a large scale, keeping humans outside the core of their exchanges, and its early outcomes are prompting fresh concerns about technological advancement as well as issues of trust, oversight, and security in a digital environment that depends more and more on automation.A recently launched platform called Moltbook is drawing attention across the technology sector for an unusual reason: it is a social network designed exclusively for artificial intelligence agents. Humans are not meant to participate directly. Instead, AI systems post, comment, react, and engage…

Alcohol ranks among the world’s most widely consumed psychoactive substances, and many individuals see light drinking—perhaps a glass of wine at dinner or a post‑work beer—as harmless or even somewhat helpful. Growing medical research, however, increasingly disputes that assumption, indicating that even minimal intake can elevate the likelihood of injuries and illness, interact unpredictably with medications and preexisting conditions, and cause population‑level harm over time. This article outlines why small amounts are not always risk‑free, offering clear mechanisms, evidence, examples, and practical guidance.What “a little” meansStandard drink definitions: In the United States, a standard drink typically includes about 14 grams…

The importance of staying hydratedWater is essential to every cell, tissue, and organ, playing roles that include regulating temperature, transporting nutrients, eliminating waste, sustaining blood volume and pressure, and enabling biochemical processes. Even minor fluid deficits can influence physical performance, mental clarity, digestion, and overall mood. Since the sensation of thirst often appears after the body already needs fluids, many individuals remain mildly dehydrated without realizing their gradual decline in function.How much hydration does one truly require?Guidelines shift according to age, gender, activity level, climate, and individual health. Common benchmarks include:Average daily total water intake (from foods and drinks) generally…

The 2026 Consumer Electronics Show in Las Vegas was shaped by breakthroughs in AI, humanoid robotics, and cutting‑edge devices redefining modern innovation. From large-scale robotic systems to next‑generation wearables, the event provided a glimpse into a swiftly shifting technology scene and the strategic commitments companies are placing on artificial intelligence.This year, CES showcased more than just gadgets—it highlighted how AI is transforming industries, products, and the very way we interact with technology. Companies from around the globe brought their latest innovations, ranging from humanoid robots capable of factory tasks to AI-powered home appliances, smart jewelry, and next-generation chips. While some…

OpenAI intends to roll out advertising inside ChatGPT, delivering tailored promotional content shaped by each user’s interactions. This step represents a notable change in how conversational AI platforms might produce revenue and engage with their audiences.The announcement marks a fresh chapter for ChatGPT, a platform that has swiftly expanded as a favored resource for providing answers, supporting tasks, and producing content, and although OpenAI has traditionally depended on subscription income from offerings such as ChatGPT Plus, the move to introduce ads reflects a wider plan to generate revenue from the free-tier experience.How advertising will function inside ChatGPTOpenAI indicates that advertisements…

Health anxiety, defined as an excessive fear of having or developing a serious medical condition, appears in many forms and intensities, and people often turn to the internet, social media, and symptom-checking apps as their main health information sources. Although easily accessible details can support and inform patients, the same abundance of information can intensify and prolong their worries. This article describes how and why information frequently heightens health anxiety, provides illustrative examples and data-supported trends, and outlines practical approaches for both individuals and clinicians.What is health anxiety and cyberchondria?Health anxiety ranges from occasional worry to persistent, distressing preoccupation that…

A more secure direction ahead for lithium-ion batteriesBold innovation in battery chemistry is reshaping how safety and performance can coexist. A new electrolyte design developed by researchers in Hong Kong offers a promising way to reduce fire risks without disrupting how today’s lithium-ion batteries are made.Lithium-ion batteries have quietly evolved into essential components of everyday technology, energizing smartphones, laptops, electric vehicles, e-bikes, medical devices and a vast range of tools that define modern living. Although known for strong performance and dependable operation, these batteries also possess an intrinsic hazard that has grown more apparent as their adoption has widened. Fires…