Since early in the pandemic, researchers and physicians have known all too well that COVID-19 can affect various organs, such as the brain, lungs, heart, and kidneys. But how long does the damage linger, and what does it mean for a patient’s recovery? Imaging studies investigating long-term effects of COVID-19 have often focused on one organ at a time, limiting...
FRIDAY 22. SEPTEMBER 2023
When Ryo Minemizu, a professional underwater photographer, posted photos of an elegant ladybug-size flittering creature off Okinawa, Japan, in 2018, biologists were baffled . It wasn’t a worm, a mollusk, or a crustacean. What was it? No one knew. One of those intrigued was Igor Adameyko, a developmental neurobiologist at the Medical University of...
NASA’s audacious Mars Sample Return (MSR) mission has serious technical flaws and “unrealistic” assumptions about its budget and timetable, an independent review found in a report released yesterday . Originally estimated to cost some $4 billion, the reviewers found that NASA’s share of the mission could end up costing between $8 billion to $11 billion,...
When it comes to learned behavior, even the simplest minds are capable of advanced thought. The Caribbean box jellyfish ( Tripedalia cystophora ), which doesn’t even have a brain, can alter its behavior based on past experiences, new research reveals. Scientists believe the creature uses this learning ability along with its astoundingly complex visual system to navigate...
Think “cowboy,” and you might picture John Wayne riding herd across the U.S. West. But the first cowboys lived in Mexico and the Caribbean, and most of them were Black . That’s the conclusion of a recent analysis of DNA from 400-year-old cow bones excavated on the island of Hispaniola and at sites in Mexico. The work, published in Scientific Reports...