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36 results for “microplastics in the ocean”
- The Perpetually Curious! › Archives › Environment & SustainabilityArticle
🌊 Microplastics in the Ocean: How Tiny Fragments Travel
Microplastics in the ocean are not only small pieces of plastic. They are mobile fragments, shaped by weathering, water movement, and the living systems they pass through.
- The Perpetually Curious! › Canonical › Environment & SustainabilityArticle
🔄 Tides of Plastic: Microplastic Pollution in the Oceans and Its Journey Back to Us
From section: Frequently Asked Questions+What are microplastics in the ocean? Microplastics are small plastic particles, typically smaller than about 0.2 inches (5 millimeters). They can form when larger plastic items break apart, or they can come from intentionally manufactured small particles, synthetic fibers, tire wear, coatings, and other sources.
- The Perpetually Curious! › Canonical › Environment & SustainabilityArticle
🕸️ Ghost Nets, Silent Drifters: How Lost Fishing Gear Haunts the Ocean
From section: 🌍 Ghost nets and the story of ocean plasticsLarge-scale surveys of floating debris have found that fishing gear can make up a substantial share of plastic mass in some parts of the ocean. In the Great Pacific Garbage Patch, one study estimated that fishing nets alone account for about 46 percent of the plastic mass by weight.
- The Perpetually Curious! › Canonical › Planet EarthArticle
🌐 How SONAR Uses Sound to Map the Hidden Ocean Depths
From section: 🐋 Listening to life in the oceanThis biological perspective connects back to the earlier discussion of sound propagation. The same physical principles that guide SONAR pulses also shape how animal sounds travel through the ocean, which provides a natural path toward understanding how SONAR technology developed over time.
- The Perpetually Curious! › Archives › Environment & SustainabilityArticle
🕸️ Ghost Nets: Silent Killers Threatening Our Oceans and Reefs
🌊 Beneath the calm surface of the ocean, a hidden danger can keep moving long after people lose sight of it: ghost nets. These abandoned, lost, or discarded fishing nets may drift through open water, settle on reefs, tangle with other debris, or remain suspended where marine…
- The Perpetually Curious! › Archives › Planet EarthArticle
🌊 Harbor Wave, Ocean Pulse: The Science of Tsunamis from Seafloor to Shore
Some ocean hazards announce themselves with wind, foam, and a rising sky. A tsunami often does not. Far from shore, it may pass as a long, subtle lift, more like a slow breath than a breaking wave. Even the word “wave” can mislead, because a tsunami is not simply the surface…
- The Perpetually Curious! › Archives › Wilderness & Homestead CreaturesArticle
🐙 Eight-Armed Genius: The Science of Octopus Intelligence & Ink
From section: Meeting the Ocean's Most Enigmatic Mind 🌀Meeting the Ocean's Most Enigmatic Mind 🌀 In the depths of our oceans lives a creature so extraordinary that each scientific discovery reveals new dimensions of its brilliance.
- The Perpetually Curious! › Archives › Wilderness & Homestead CreaturesArticle
Where Rivers Meet the Sea: The World of Bull Shark Habitats 🦈
In July 1916, a series of shark attacks shocked New Jersey, including fatal encounters in Matawan Creek, 16 miles (26 kilometers) from the ocean. While debate continues about the exact species responsible, these incidents introduced the world to a possibility that defied…
- The Perpetually Curious! › Archives › PhysicsArticle
🦈 Why Do Sharks Float? The Science Behind Their Buoyancy
🌊 Opening Dive Sharks are among the ocean’s most formidable creatures, yet they face a unique challenge: staying afloat without the gas‑filled swim bladders used by most bony fishes.
- The Perpetually Curious! › Archives › Wilderness & Homestead CreaturesArticle
🦈 Scars That Speak: Shark Survival Stories Etched in Skin
Introduction 🌊 Every scar on a shark tells a story, each a record as unique as the path that shark has traveled through its environment. These marks are not just wounds. They are survival records that reveal the hidden dramas of the ocean.
