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.How the brain operates while dreamingDreams are most vivid during rapid eye movement (REM) sleep, although dreams also occur in non-REM sleep. Key physiological facts:Sleep cycles repeat roughly every 90 minutes; adults typically experience 4–6 cycles per night.REM…

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…

Productivity gains from AI copilots are not always visible through traditional metrics like hours worked or output volume. AI copilots assist knowledge workers by drafting content, writing code, analyzing data, and automating routine decisions. At scale, companies must adopt a multi-dimensional approach to measurement that captures efficiency, quality, speed, and business impact while accounting for adoption maturity and organizational change.Defining What “Productivity Gain” Means for the BusinessBefore any measurement starts, companies first agree on how productivity should be understood in their specific setting. For a software company, this might involve accelerating release timelines and reducing defects, while for a sales…

Therapeutic cancer vaccines represent a shift from prevention to active treatment: instead of preventing infection or disease onset, they aim to train the patient’s immune system to recognize and destroy existing tumor cells. Over the past decade, advances in immunology, genomic sequencing, and delivery technologies have moved therapeutic vaccines from concept and small trials toward real-world approvals and large randomized studies. This article explains the core concepts, describes leading modalities and examples, examines clinical data and challenges, and highlights where the field is likely to go next.What defines a therapeutic cancer vaccine?A therapeutic cancer vaccine activates the immune system so…

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” conveysStandard 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 fluid do you really need?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 dominated by AI, humanoid robots, and devices that push the boundaries of innovation. From towering robots to wearable tech, the event offered a window into the rapidly evolving tech landscape and the bets companies are making on artificial intelligence.This year, CES not only displayed an array of devices but also underscored how AI is reshaping entire sectors, redefining products, and changing how people engage with technology. Firms worldwide unveiled their newest breakthroughs, from humanoid robots designed for industrial duties to AI-enhanced home devices, intelligent jewelry, and cutting-edge processors. Though certain creations…

Forgetting someone’s name at an inconvenient moment is something almost everyone experiences. Proper names behave unlike ordinary words: they tend to vanish even when familiar nouns and general knowledge stay within reach. Explaining this phenomenon involves examining how the brain stores and retrieves names, how attention and emotion influence their encoding, and how factors such as age, stress, and linguistic background reshape the way retrieval functions.Why proper names stand outProper names function as identifiers that carry minimal semantic cues. In contrast with a term like “dog,” which naturally evokes qualities, behaviors, and situational associations, a name such as “Sarah” offers…

Apple’s decision to rely on Google’s Gemini artificial intelligence marks a pivotal shift in how the company plans to deliver advanced AI features to millions of users worldwide. Rather than waiting to perfect its own large-scale model, Apple is prioritizing speed, reliability, and user experience as it prepares a long-anticipated upgrade to Siri.Apple announced that it will bring Google’s Gemini AI model into the upcoming Siri update planned for later this year, with both companies jointly revealing a multi‑year deal enabling Apple to operate Gemini in combination with Google’s cloud systems to power expanded artificial intelligence features. For Apple, the…

A safer path forward for lithium-ion batteriesGroundbreaking advances in battery chemistry are redefining the balance between safety and performance, and a novel electrolyte formulation devised by researchers in Hong Kong presents a compelling path to reducing fire hazards while keeping existing lithium-ion battery production methods intact.Lithium-ion batteries have become an invisible backbone of modern life. They power smartphones, laptops, electric vehicles, e-bikes, medical devices and countless tools that shape daily routines. Despite their efficiency and reliability, these batteries carry an inherent risk that has become increasingly visible as their use has expanded. Fires linked to lithium-ion batteries, while statistically rare,…