2002
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1 day ago · 09. Phytoplankton, tiny plant-like organisms, are the foundation of the ocean food web. They produce about 50% of the world's oxygen through photosynthesis. 10. The blue whale, the largest animal on Earth, can be found in the open ocean. These gentle giants can grow up to 100 feet long and weigh as much as 200 tons.
1 day ago · The Genesis of Life and Evolution. Life on Earth began approximately 3.5 billion years ago, with the advent of simple, single-celled organisms. Fast forward to about 600 million years ago, and we see the emergence of animals. Anatomically modern humans, Homo sapiens, appeared around 200,000 years ago.
1 day ago · Mon, July 29, 2024, 5:24 PM PDT. NASA has been buzzing about a recent sample collected on Mars with key traits that may hold clues as to whether Mars was home to ancient life, and ASU scientists ...
1 day ago · The Deadliest Snakes on Earth The golden lancehead viper is the undisputed ruler of Snake Island. These serpents can grow up to 2 feet long and pack a potent venom that can kill a human in under ...
1 day ago · Water on Mars is crucial for understanding past life, climate, and geology, and for preparing future human exploration missions. Traces of water on Mars hint at the planet’s potential for past life and future exploration. (image source: NASA) The quest to understand Mars began with Mariner 4’s spacecraft in 1965.
