One of the most famous events in the history of astronomy is the Wow! Signal that was picked up by Ohio State University’s Big Ear radio telescope in August 1977. The signal entered folklore because it couldn’t be explained by any known natural phenomena and didn’t appear to have originated from Earth. That left open an extraordinary possibility: that it had been produced by an extraterrestrial civilization. Indeed, Jerry Ehman, the astronomer who noticed the signal in the data, was so sho ...read more
During the height of the summer tourism season, frustrated residents in Barcelona organized protests. Some carried signs that read “tourists go home” and paraded them past restaurants packed with travelers. Others aimed water guns at diners and sprayed them while they tried to eat.Travel experts have given a variety of reasons for why cities like Barcelona feel inundated with tourists. Cruise ships have gotten bigger, travel surged after the pandemic lockdowns, and low-cost airlines make it ...read more
SpaceX’s upcoming Polaris Dawn mission aims to be historic in more ways than one. Polaris Dawn plans to not only orbit Earth higher than any astronauts have in more than 50 years but to also feature the first private spacewalk.The mission was originally scheduled to launch August 27, but has encountered delays – first for a helium leakand then for bad weather. SpaceX officials have said they’re monitoring the weather to reschedule the launch.It will feature a crew of four: the mission’s ...read more
Aging is a biological process that no one can avoid. Ideally, growing old should be a time to relax and enjoy the fruits of your labor. Aging also has a darker side, however, often linked to disease.Every second, your cells perform billions of biochemical reactions that fuel essential functions for life, forming a highly interconnected metabolic network. This network enables cells to grow, proliferate, and repair themselves, and itsdisruption can drive theaging process.But does aging cause metab ...read more
Aquatic animals delivered a one-two predatory punch millions of years ago. A combination of different teeth marks on “sea cow” bones show that a crocodile snatched the creature’s skull and drowned it with a “death roll”— essentially rotating underwater while grasping the sea cow in its jaws. When the croc was done dining, sharks showed up to finish the leftovers. The study, in the Journal of Vertebrate Paleontology, provides a rare example of a creature being attacked by two differen ...read more
Author Vishay SinghPosted on Categories Discover Magazine