In addition to their myriad other responsibilities, the brave Mars pioneers will also have to be ready to deal with all kinds of medical emergencies. Some ailments, such as common colds and headaches, may be easy to tackle with medication. To help them with more serious issues, like severe skin burns or bone fractures, scientists from the Dresden University of Technology (TUD) have developed a 3-D bioprinter capable of producing human tissue in space.
It is common knowledge that the droplets spread from sneezing are one of the key culprits responsible for transmitting infectious diseases between humans. Now it turns out that some plants have a similar ability to share the "love" and spread pathogens to each other. However, while sneezing in humans is an involuntary response to irritants along the lining of the nose, plants "sneeze" due to a quirk in fluid dynamics.
Though there are over 30 meteor showers annually, none are as anticipated as the Perseids, the biggest and most spectacular of them all. The "shooting stars" have been streaking across the skies at a rate of about a dozen an hour, since mid-July. However, meteors' pace will sharply escalate over the next few weeks, reaching a high of between fifty to a hundred an hour, on August 11, 12, and 13, 2019.
BBC Earth host Lizzie Daly and underwater photographer Dan Abbott released several videos of exciting encounters with marine animals off the English coast from July 7 to July 13, 2019. The pair swam alongside gray seals off the coast of Northumberland, minke whales off the northwest coast of Scotland, and seabirds near Wales. However, the highlight came on the final day of the tour, when the underwater adventurers stumbled upon a massive barrel jellyfish off the coast of Falmouth, Cornwall. The sighting of the mesmerizing animal was a fitting way to end Daly's "Wild Ocean Week" campaign to raise ocean awareness and funds for the UK's Marine Conservation Society.
July 20, 2019, marks the 50th anniversary of the Apollo 11 moon landing. The groundbreaking journey began on July 16, 1969, when NASA astronauts Neil Armstrong, Buzz Aldrin, and Michael Collins launched into space from Florida's Kennedy Space Center. Four days later, on July 20, half a billion people across the globe — or about one-seventh of the Earth's population at the time — watched Armstrong and Aldrin descend the lunar module ladder to become the first humans ever to set foot on the moon. The grainy footage, along with Armstrong's now-famous quote, "That's one small step for man, one giant leap for mankind," remain forever etched in the minds of those that witnessed the event live.
Researchers have long envisioned deploying armies of tiny flying robots to tackle vital tasks. The versatile machines could be used as first responders to trace gas or pollutant seepage during natural disasters, to survey crops in large farms, to help astronauts on space missions, and even to assist bees with plant pollination. However, fitting the heavy electronics required to power and control the wings into the robot's tiny frame has been challenging. Now, there is hope, thanks to RoboBee X-Wing — the world's lightest aerial vehicle that can fly without being tethered to a power source.
Since late March 2019, local fishers and sightseers on whale watching excursions along the Southern California Coast have been treated to a rare sight — dozens of school bus-sized basking sharks lumbering through the water. This is the first time the "gentle giants of the sea" have frequented the area in such large numbers in over thirty years.
Two summers ago, on August 21, 2017, thousands of people from across the world witnessed the "Great American Solar Eclipse," the first total solar eclipse to occur exclusively over the continental United States since January 11, 1880. Now, stargazers are getting excited to watch the Sun disappear again for a brief period on July 2, 2019 — this time, the eclipse's narrow path will extend across the South Pacific all the way to Chile and Argentina.