Tag Archives: Melting

Sharks’ Teeth Are Melting, And Scientists Say The Reason Is Terrifying

Sharks’ Teeth Are Melting, And Scientists Say The Reason Is Terrifying

Recent research indicates that shark teeth, some of nature’s most efficient cutting tools, are increasingly vulnerable to environmental changes in ocean chemistry. A 2025 study published in Frontiers in Marine Science investigates how shifting ocean conditions might compromise the structural integrity of predator teeth, providing critical insights into the ecological consequences of global carbon emissions. Ocean Acidification And Its Impact …

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Floods from melting glacier in Juneau, Alaska, prompt evacuations and worry from residents

Floods from melting glacier in Juneau, Alaska, prompt evacuations and worry from residents

Glacial outburst flooding — caused when natural dams of ice or sediment collapse and send a rush of floodwater downstream — are also a problem in Europe, Central Asia and South America, where they have historically been more deadly. Glacial outburst floods have killed more than 12,000 people worldwide, according to estimates in the journal Global and Planetary Change. Most …

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NASA Supercomputers Reveal the Impact of Greenland’s Melting Glaciers on Marine Life

NASA Supercomputers Reveal the Impact of Greenland’s Melting Glaciers on Marine Life

Greenland’s ice sheet, one of the largest in the world, is retreating at an alarming rate, creating profound impacts on both the environment and the ocean ecosystems nearby. In a recent study published in Nature Communications: Earth & Environment (2025), scientists explored the mechanisms behind this change, focusing on how the glacial meltwater might influence the marine food web. The …

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Scientists heat gold to 14 times its melting point — without turning it into a liquid

Scientists heat gold to 14 times its melting point — without turning it into a liquid

Scientists have used ultrafast high-intensity lasers to superheat gold to 14 times its melting point without turning the solid metal into a liquid. The record-breaking experiment, which was described in a study published July 23 in the journal Nature, smashed a decades-old theory about the stability of solids and is the first reliable method to precisely measure the temperature of …

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Gold Does Something Unexpected When Superheated Past Its Melting Point : ScienceAlert

Gold Does Something Unexpected When Superheated Past Its Melting Point : ScienceAlert

Gold remains perfectly solid when briefly heated beyond previously hypothesized limits, a new study reports, which may mean a complete reevaluation of how matter behaves under extreme conditions. The international team of scientists behind the study used intense, super-short laser blasts to push thin fragments of gold past a limit known as the entropy catastrophe; the point at which a …

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Scientists Superheated Gold to 14 Times Its Melting Point and It Remained Solid

Scientists Superheated Gold to 14 Times Its Melting Point and It Remained Solid

Credit: Greg Stewart/SLAC National Accelerator Laboratory It’s not easy to surprise physicists with a phase change. Yet when Tom White first reviewed the data from a new experiment that used lasers to heat gold, he had to pause and double-check his results. He had good reason to be skeptical. White and his colleagues had just observed solid gold reaching an …

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