A measles epidemic has been declared in the Democratic Republic of the Congo, a country struggling to contain the world’s second-largest and second-deadliest Ebola outbreak.
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A team of researchers with the Royal Botanic Gardens in the U.K. and Stockholm University has found that plant extinctions over the past two and a half centuries have been more extensive than previous estimates suggested. In their paper published in the journal Nature Ecology and Evolution, the group describes their exhaustive study of plants and which have gone extinct, and what it might mean for future plant life.
In recent years, botanists have estimated that fewer than 150 plant species have gone extinct in modern times—most due to human activities. In this new effort, the researchers have found that the real number is closer to quadruple such estimates—they found 571 plants that have gone extinct since 1753. That was the year that famed botanist Carl Linnaeus published his Species Plantarum—a collection of all known plant species at that time. The researchers also claimed that approximately three species of plants have gone extinct on average each year since 1900—a rate that they note is approximately 500 times the natural rate of plant extinction. The group came to these conclusions using information from a database started back in 1988 by workers at the Royal Botanic Gardens who have had the goal of adding every known plant on the planet. Since that time, over 330,000 plant species have been added.
The researchers also created a map showing where the extinctions have occurred, noting that most are in the tropics and on islands. The map also highlights some interesting hotspots as well, such as South Africa, Australia, India and Hawaii. They add that the main culprit is habitat destruction, though some have also suffered from being too popular with humans—the Chile sandalwood tree, for example, was harvested for its exotic aroma.
Continue reading “Study shows recent plant extinctions much more extensive than thought” »
Free Event — Register Now: https://www.eventbrite.com.au/e/the-future-of-sci-fi-a-trans…2707878954 Thursday, 27th June 2019 from 6pm Future Faqtory Level 1B/311 Sussex Street Sydney NSW 2000.
Drinks and pizza will be provided.
Robotically surveying lunar craters in record time and mining resources in space could help NASA establish a sustained human presence at the Moon – part of the agency’s broader Moon to Mars exploration approach. Two mission concepts to explore these capabilities have been selected as the first-ever Phase III studies within the NASA Innovative Advanced Concepts (NIAC) program.
“We are pursuing new technologies across our development portfolio that could help make deep space exploration more Earth-independent by utilizing resources on the Moon and beyond,” said Jim Reuter, associate administrator of NASA’s Space Technology Mission Directorate. “These NIAC Phase III selections are a component of that forward-looking research and we hope new insights will help us achieve more firsts in space.”
The Phase III proposals outline an aerospace architecture, including a mission concept, that is innovative and could change what’s possible in space. Each selection will receive as much as $2 million. Over the course of two years, researchers will refine the concept design and explore aspects of implementing the new technology. The inaugural Phase III selections are:
Continue reading “NASA Invests in Concepts Aimed at Exploring Craters, Mining Asteroids” »
This week, UK-based futurologist Ian Pearson announced humanity will achieve immortality by the year 2050. Is he right?
According to the former rocket scientist and IT engineer – who claims to have an 85 percent success rate “when looking 10–15 years ahead” – recent advances in biomedical and computing technology will inevitably lead to victory over death via one of three means:
Continue reading “Are Humans Really On The Brink Of Achieving Immortality?” »
