Quill Quest

15/07/2025

14/07/2025

Arron Culling, a man from New Zealand, became known for buying sea turtles from local food markets in Papua New Guinea and then releasing them back into the ocean. Sea turtles are often sold in markets for their meat, but they are also endangered species, making his actions particularly meaningful for wildlife conservation.

In a post that went viral a few years ago, Arron shared photos of two turtles he purchased for about $50 and then released back into the sea. He and his co-worker reportedly released over a dozen turtles this way.

His simple yet powerful gesture raised awareness about the plight of sea turtles and inspired many to support wildlife protection efforts.
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14/07/2025

China has independently measured the distance between Earth and the Moon using laser technology for the first time, during daylight hours, a world first. According to Space dot com, Chinese scientists successfully fired a high-powered laser from a 1.2-meter telescope at the Yunnan Observatories and bounced it off a retroreflector aboard the Tiandu-1 satellite, which is orbiting the Moon. This marked the first-ever successful laser ranging test in the Earth-Moon corridor during daytime, overcoming the immense challenge of solar interference that typically drowns out the faint return signal.

14/07/2025

In the face of the constant threat of natural disasters, Japan has developed innovative engineering solutions to protect its communities. Following the devastating tsunami of 2011, an ambitious project that marks a landmark in the country's coastal resilience has been launched. Known as the "Great Tsunami", it's a wall built exclusively to withstand the onslaught of tsunamis: it reaches 12.5 meters high and stretches for a length of 395 km. The structure is designed to withstand the impact of a wave of up to 16 million tons of water and includes the planting of 9 million trees on the ocean side, which act as a secondary dam. This innovative project exemplifies Japan's ability to adapt to extreme situations and protect its citizens from natural disasters. 🌎

14/07/2025

In a groundbreaking 2024 study, scientists discovered a process producing oxygen in complete darkness 4,000 meters below sea level, in the Clarion-Clipperton Zone of the Pacific Ocean.

This oxygen is now referred to as "dark oxygen." The discovery occurred during deep-sea research around polymetallic nodules—rocky formations rich in valuable metals like manganese, nickel, and cobalt, resting on the ocean floor.

Researchers deployed special benthic chamber experiments, which unexpectedly recorded a rise in oxygen levels over time—despite the absence of sunlight and photosynthetic organisms.

They concluded that electrochemical reactions on the surface of these nodules were splitting seawater molecules (H₂O) into hydrogen and oxygen, driven by naturally generated electric currents (up to 1 volt), a process known as natural electrolysis.

This suggests the ocean floor can produce oxygen independently of sunlight, challenging long-held beliefs that photosynthesis is the sole natural source of free oxygen on Earth.

It opens new questions about early Earth conditions, potential life on other planets, and the ecological role of metallic nodules in deep-sea environments.

Credit - Science Pulse

14/07/2025

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14/07/2025

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14/07/2025

The UK built a robotic fish that eats microplastics — and powers itself while swimming

Off the southern coast of England, a sleek robotic fish silently patrols polluted harbors — not to monitor, but to clean. Developed by researchers at the University of Surrey, this autonomous underwater drone actively swallows microplastics from seawater as it swims — and converts that waste into energy.

The fish-shaped robot mimics the flow dynamics of real marine species, using a flexible tail for propulsion. As it glides through the water, a specially designed filter system draws in microplastic particles below 5mm — which are then funneled into an onboard chamber where they're compressed and used to generate low-voltage power.

That energy feeds the robot’s internal systems — allowing it to operate without external charging. Essentially, the more pollution it finds, the longer it can swim. It’s one of the first truly self-sustaining robots that “feeds” on the problem it’s designed to solve.

Made from soft, biodegradable materials, the robot is safe for marine life and causes no disruption to the ecosystem. It moves silently, avoids collisions, and is programmed to surface when its collection chamber is full. Once recovered, its waste payload is recycled, and it's ready for redeployment.

The prototype can collect over 2kg of microplastics in a 12-hour cycle, and it’s already being deployed in marine conservation zones and ports. Future models will be equipped with swarm AI to patrol entire coastlines autonomously.

This tech could transform ocean cleanups — replacing costly ships and human divers with fleets of self-powered, fish-like robots that quietly erase one of the planet’s worst pollution threats.

14/07/2025

🔍 The Only Mammal with Seasonally Changing Eye Color: The Reindeer

Arctic reindeer have an incredible adaptation: Their eye color changes with the seasons!

☀️ In summer, their tapetum lucidum reflects golden light, helping them see clearly in bright conditions.
❄️ In winter, prolonged pupil dilation increases eye pressure, shifting this layer to reflect blue light — making their vision up to 1000 times more sensitive in the dark.

🌌 Nature’s engineering at its finest.