Science Alert
Catch up on the latest science news, from space and technology to life and environmental research- all the discoveries shaping our world today.
Updated: 1 hour 20 min ago
US river straightened 110 years ago to drain land, now set for restoration to reduce floods
Authorities in Tennessee, US, have acquired 985 acres along the South Fork of the Forked Deer River to reduce flooding and restore natural habitats. The river was straightened in 1916 to drain surrounding land, but the changes contributed to flash floods and erosion. The restoration project aims to reconnect the river with its floodplain and eventually open the area to the public.
A new fossil from China may reveal the first amphibian known to have lived entirely at sea; the armoured, 2.4-foot creature lived about 237 million years ago, challenging what scientists know about amphibian evolution
A recent discovery of the fossil Gerrothorax maritimus reveals that some ancient amphibians lived completely in marine environments. Dated to approximately 237 million years ago, this species had a flattened body covered in bony armour. The fossils were found in deep-sea sediments, indicating they lived far from landmasses. Geochemical tests confirmed the strontium isotopes matched those in seawater during the Late Triassic period.
NASA-funded study reveals 4.1-billion-year-old history of pink Martian rock found in Sahara
Discovered in the vast Sahara Desert, the meteorite Teghaza 001 is over four billion years old and is confirmed to be a Martian rock via isotopic studies. This intriguing specimen reveals a volcanic history intertwined with water activity, indicating a complex water cycle on Mars. As researchers delve deeper into its origins, they are unraveling vital insights into the planet's early environmental conditions.
Puerto Rico plans coral restoration with 9,600 sea urchins and 600 crabs
Puerto Rico is undertaking a significant coral reef restoration project to revitalize its marine ecosystems. The initiative is a collaboration of the Institute for Socio-Ecological Research and other local and international organizations. Restoration efforts include planting 124,000 coral fragments along with reintroducing herbivorous sea urchins and crabs to manage algae. Land-based nurseries will support the necessary growth of these marine organisms.
In 1901,sponge divers off the Greek island of Antikythera recovered a gear from 2,000 years ago
In 1900, a remarkable discovery was made when divers stumbled upon the Antikythera Mechanism amidst a shipwreck in the Mediterranean Sea. This ancient artifact showcased astounding knowledge of astronomy and mechanical engineering dating back over 2,000 years. Researchers found it capable of calculating astronomical cycles and predicting eclipses, intertwining science with the cultural tapestry of ancient Greece.
Invasive Burmese pythons and Florida’s native snakes show different parasite infection rates
Researchers investigated the prevalence and types of parasites affecting Burmese pythons and native snakes in South Florida. They found that invasive pythons showed lower overall pentastome prevalence than native snake species. Different native snakes displayed varying rates of infection by specific parasites like Raillietiella orientalis and Porocephalus. The study also revealed that Burmese pythons lacked platyhelminths typically found in native snakes.
In the 1960s, scientists studying the venom of Brazilian pit viper found a compound lowered BP
The Brazilian pit viper, Bothrops jararaca, has been a focal point in research leading to significant medical breakthroughs. In the 1960s, Sergio Ferreira uncovered a peptide from this snake that plays a crucial role in blood pressure regulation. This groundbreaking discovery eventually paved the way for captopril, the pioneering ACE inhibitor approved in 1981, which has transformed the treatment landscape for hypertension and heart ailments.
1300 BC: Spain's copper mine linked to 11 Scandinavian bronze objects, hinting at ancient networks
Excavations at the Las Minillas site in Spain have unveiled substantial copper mining activities dating back to the Late Bronze Age. Investigations revealed a chemical link between the site and bronze artifacts discovered in Scandinavia. Researchers noted extensive mining operations and identified numerous nearby mining locations, indicating that southern Iberia was crucial for copper supply in Europe during this period.
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