Seven new guanidine derivatives and a new isolated hypoxantine derivative Abstract Twelve guanidine derivatives (1–12), including seven new compounds (martensiiagms a – g, g, 1–7), a new hypoxantine derivative (martensiiagm h, 13), and 15 known compounds (14–28) were isolated from the whole body of Buthus martensi Karsch and identified by data analysis. Subsequent biological evaluations…
Even during one of the largest mass extinction events on earth, where heat waves kill most of the earth’s species, there was at least one survival oasis. The results suggest that there may have been protection focuses throughout the earth, challenging the notion that heat affected life on the planet uniformly, according to a paper…
Where do you eat when you are a planet armchair called Galactus, the devouring worlds? Whatever please! Galactus is a supervillain of Marvel comics of ultra heavyweight that will be adequately introduced for the first time in the live action in all its glory as the planet as the main antagonist in this summer’s retro-muturist…
Green sea turtles are adjusting their nesting habits in response to rising global temperatures. Individual females are laying their eggs earlier in the season to cope with warmer conditions, researchers report in the February Proceedings of the Royal Society B. Scientists have long known that the sex of most turtle species is determined by incubation…
Young stars are like young children. His energy is often rebellious and can express himself chaotically. In this incredible image, we can see the unbridled energy of two young stars about 650 light years away, since its energetic jets create a different sand watch shape with groups and swirls of gas and dust. Young stars…
Climatewire | The efforts to limit forest fires in a conservative strip in Northern Colorado are the last victim of the freezing of federal expenses of the Trump administration. The coalition for the Poudre river basin earned several million dollars in subsidies during the Biden administration to help reduce the intensity and probability of forest…
This mummified wolf puppy, which is located in Yukon, Canada, is 57,000 years old Yukon government Ivory hunters knew they had found something special. It was 2020 and there were tunnels to the banks of the Badyarikha River in Siberia. The permanently frozen floor of the river basin is a rich hunting terrain for gigantic…
Jaxa Arctic Sea ICE Exteent: 13,310,739 km2 as March 1-2025 – Loss of extension on this 2k day, which is 2 k more than the average loss on this day (of the last 10 years) of 0k,– The extent gain of the minimum on this date is 9,238 k, which is 454 K, 4.7% less…
Source: https://medlineplus.gov/ency/imagepages/19841.htm A tissue, which consists of leaves or a cell package (muscle fibers) that is capable of contracting and producing movement or voltage in the body is called muscle tissue. These fabrics are usually Mesodermic in origin and consist of thin and elongated cells called muscle fibers. Each fiber contains fine longitudinal fibrils Myofibrils….
The incredible consequences of the impact of Chicxulub asteroids, one of the most cataclysmic events in the history of the earth, develops under the Louisiana background. New research has discovered “megaripple” “, some imposing 52 feet high, which extend through the ocean bottom. These waves, formed by the tsunami catastrophic that followed the asteroid strike,…