Science

Piranha barking reveals fish identities in murky water

Piranha barking reveals fish identities in murky water

Piranhas are known for their sharp teeth and carnivorous appetites, but few think about the sounds they make. These small fish "bark" by contracting their gas bladders to produce a noise. A new study reveals that these barking sounds differ based on species and offer a way for researchers to identify the fish even in dark waters.

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NASA ICON spacecraft launches Wednesday to explore ionosphere

NASA ICON spacecraft launches Wednesday to explore ionosphere

On Wednesday, November 7, NASA will launch its Ionospheric Connection Explorer (ICON) spacecraft to study the ionosphere. This boundary lies between space and Earth, being home to a "sea" of charged electrons and ions; it reacts to both lower atmosphere weather and solar energy, the result being space weather. NASA's ICON will study this, offering unprecedented scientific data.

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MIT says existing laser tech could attract alien astronomers

MIT says existing laser tech could attract alien astronomers

Scientists all around the globe are working hard at new methods that might be used to detect alien life. MIT has a different idea, and its concept is to use existing laser tech to create a beacon that could attract any advanced extraterrestrial civilizations that are actively searching for life in the universe themselves. MIT researchers say that current laser tech could be fashioned into a beacon.

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Newly discovered small star may be one of the oldest in the universe

Newly discovered small star may be one of the oldest in the universe

Scientists are excited about a newly discovered star that lives right in our own Milky Way galaxy. The reason for the excitement is that the star is tiny and is about 13.5 billion years old. The star is known as 2MASS J18082002–5104378 B, and one of its key features is a very low metal count.

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SpaceX Crew Dragon recovery vessel team rehearses astronaut retrieval

SpaceX Crew Dragon recovery vessel team rehearses astronaut retrieval

Under NASA's Commercial Crew Program, private space company SpaceX has developed a capsule that will eventually take astronauts to the International Space Station, and it's called the Crew Dragon. When returning to Earth, astronauts will splash down into the ocean where recovery teams will need to retrieve them. According to NASA, officials carried out rehearsals of this scenario recently.

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‘Oumuamua study finds interstellar object may be alien probe

‘Oumuamua study finds interstellar object may be alien probe

A newly published study will surely excite conspiracy theorists: it acknowledges that the interstellar object ‘Oumuamua could potentially be an alien probe or equipment of some kind. The uniquely shaped space rock was spied back in October 2017, opening the door to a mystery that still hasn't been solved. Though many questions about the object remain, one thing is clear: ‘Oumuamua originates from beyond our solar system.

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NASA’s first 8K space video showcases life on the ISS

NASA’s first 8K space video showcases life on the ISS

NASA has published the first 8K video from space, offering the public an unprecedented look at astronauts and science on the International Space Station. The new video features scenes of astronauts working, conducting research, and simply living, this made possible using a RED Helium 8K camera. The video has a massive 8192 x 4320 pixels resolution.

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MIT’s autonomous drone fleet can operate in dense forests without GPS

MIT’s autonomous drone fleet can operate in dense forests without GPS

Those who don’t hike or live in an area where hikers flock don’t understand how easy it can be to get lost in unfamiliar terrain, even when using maps. While it's not hard to get lost, it's very hard for rescuers to search for lost or injured hikers. The major challenge comes when hikers are lost inside a dense forest where helicopters and drones aiding in the search are unable to see what's under the trees.

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Promising universal flu protection created from vaccinated llamas

Promising universal flu protection created from vaccinated llamas

Scientists have developed a long-lasting form of universal flu protection from llamas that were immunized with flu vaccinations. The protection may last for an entire flu season, helping manage flu seasons and combat potential epidemics. The solution involves a new anti-flu antibody that protects against both influenza A and B viruses.

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NASA Dawn spacecraft runs out of fuel days after Kepler loss

NASA Dawn spacecraft runs out of fuel days after Kepler loss

NASA has revealed that its Dawn spacecraft's mission has ended due to a lack of fuel. The end of its life was revealed by a missed communications session that was scheduled to take place with NASA. According to the space agency, Dawn was supposed to communicate with its team on October 31 and again today, but neither session took place.

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Trio of paraplegics walk again thanks to electrical stimulation

Trio of paraplegics walk again thanks to electrical stimulation

Medical researchers around the world are working hard to develop new treatments and technology that could one day help those suffering from paraplegia to walk again. In a new study called STIMO (STImulation Movement Overground) three paraplegics who sustained cervical spinal cord injuries many years ago can walk again using crutches or a walker. The recovery of the ability to walk with aids is thanks to a rehab protocol that uses targeted electrical stimulation of the lumbar spinal cord and weight assisted therapy.

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NASA camera captures spooky surprise in time for Halloween

NASA camera captures spooky surprise in time for Halloween

NASA has cameras monitoring the entire planet Earth, not to mention a few corners of the universe around us. Every so often the space agency catches something surprising on camera, usually in the form a bright flash or a streaking fireball. One of NASA's cameras had a different sort of surprise for researchers, though, bringing a bit of creepiness just in time for Halloween.

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