Author: Deshwale Science and Environment Desk

Few animals on Earth rival the birds of paradise for sheer flamboyance. These remarkable tropical birds are renowned for their vibrant plumage, intricate courtship dances, and evolutionary creativity. Found mostly in New Guinea and parts of Australia, birds of paradise have mesmerised scientists and artists alike for centuries. Nature’s Living Artworks Birds of paradise display some of the most spectacular feathers in the animal kingdom: iridescent greens, electric blues, fiery reds, and unusual shapes like wire-like filaments or elongated head plumes. Males are especially extravagantly decorated to woo females. Their feathers often change colour depending on angle and light, a…

Consciousness is our awareness of thoughts, sensations, and existence. It remains one of the deepest mysteries known to humanity. Neuroscience has revealed much about the brain. Yet explaining why or how it creates the vivid experience of being “you” still challenges scientists and philosophers. What Is Consciousness? Consciousness covers a range of experiences. It includes feeling pain, recalling memories, and imagining the future. Many describe it as the difference between a living, thinking person and a machine running code without awareness. Philosopher David Chalmers called it the “hard problem” of neuroscience. He contrasted this with “easy problems” such as explaining…

Towering above all other ranges, the Himalayas are not only the tallest mountains on Earth – they are also still growing. Every year, the Indian plate pushes north into the Eurasian plate, making the Himalayas rise by about 5 millimetres annually. This ongoing tectonic process triggers earthquakes, carves new valleys, and sustains some of Asia’s greatest rivers. Birth of the Himalayas About 50 million years ago, the Indian plate – moving at a speed of 15–20 cm per year – collided with the Asian continent. Unlike oceanic crust, both plates were made of light continental rock, so instead of one…

A single drop of seawater contains more organisms than there are humans on Earth. Billions of bacteria, archaea, viruses and microalgae thrive in every millilitre. They form the foundation of marine food webs. They cycle nutrients. They shape Earth’s climate. They create and dismantle through chemical processes invisible to our eyes. Welcome to the microbial metropolis. The Ocean’s Invisible Majority Marine microbes account for roughly half of the planet’s primary production. They generate approximately half of all oxygen. They consume about half of the carbon dioxide. Without them, Earth’s climate would be unrecognisable. Every breath we take owes a debt…

Among the world’s most exquisite flowers is the saffron crocus, Crocus sativus. Its vivid purple petals bloom each autumn, revealing bright red stigmas. These tiny threads are the source of saffron, the most expensive spice by weight. The spice’s rarity is matched by the immense effort required to produce it. What is the Saffron Crocus? The saffron crocus is a sterile, cultivated plant that reproduces through underground corms. Its origins are believed to lie in ancient Greece or Crete, where early farmers selectively bred wild crocuses with longer, more vibrant stigmas. Each flower produces only three fragile red stigmas, which…

Imagine a landscape teeming with wildflowers, birds, insects, and large animals — restored not by planting trees, but by bringing back lost species. This is the heart of rewilding, a bold conservation approach that reintroduces key animals like wolves, bison, and beavers to revive natural processes and heal damaged ecosystems. What Is Rewilding? Rewilding goes beyond protecting individual species. It seeks to restore the interactions between animals, plants, and landscapes. By reintroducing keystone species, rewilding lets nature regulate itself, often with remarkable results. Wolves in Yellowstone: A Famous Example In 1995, wolves were reintroduced to Yellowstone National Park, nearly 70…

Vultures are often misunderstood and underappreciated, yet they play a vital role in keeping ecosystems healthy. These scavenging birds act as nature’s sanitation workers, efficiently disposing of animal remains that could otherwise spread deadly diseases. Without vultures, many ecosystems would struggle to stay balanced. Masters of Scavenging Vultures are perfectly adapted to feed on carrion. Their bald heads and necks, free from feathers, help them stay clean while feeding inside carcasses. Their stomach acids are so powerful that they can neutralise harmful bacteria and toxins, allowing them to safely consume rotting flesh. Thanks to their excellent eyesight and soaring flight,…

A massive cloudburst unleashed havoc in Uttarkashi’s Dharali village on Tuesday, triggering flash floods and a devastating debris slide. The disaster struck around 1:30 PM India time, swelling the Kheer Ganga river and sending torrents of muddy water through the hilly terrain. Roads, buildings, and shops in this popular tourist spot were engulfed, with dozens feared trapped under debris. Dharali, located 2km from Harsil, is a bustling area with hotels, resorts, and restaurants catering to tourists. The sudden surge of water left little time for escape, according to eyewitnesses from a nearby village. They described a giant wave of muddy…

Earth is racing through time. Its spin is accelerating, shaving tiny fractions of a second off days, like August 5, 2025, which will be 1.25 milliseconds shorter than a standard 24-hour day. Similar short days occurred on July 9 and July 22, 2025, with the record set on July 5, 2024, at 1.66 milliseconds faster. This cosmic hurry, ongoing since 2020, defies expectations and raises questions that resonate beyond any single date. For years, Earth’s rotation was slowing, requiring occasional leap seconds to align with precise atomic clocks. Now, the planet’s unexpected sprint may force a negative leap second by…

Surviving the searing heat, scarce water, and freezing nights of deserts requires incredible ingenuity – and desert animals are some of nature’s most creative engineers. From beetles that drink fog to mammals that barely sweat, these creatures embody resilience. Evading Heat Many desert animals are nocturnal, venturing out only at night when temperatures drop. Fennec foxes, with their oversized ears, radiate heat to stay cool while listening for prey beneath the sand. Reptiles like sidewinder rattlesnakes use a unique sideways movement to minimise contact with burning sand, keeping their bodies cooler while moving quickly. Mastering Water Conservation Desert animals can…