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Scientists have discovered 866 new marine species, including a guitar shark, a deep-sea mollusk with cancer treatment potential, and the first octocoral found in the Maldives, Oceanographic Magazine reported.

The Nippon Foundation-Nekton Ocean Census looks to change how scientists identify new marine species by speeding up the process. This discovery marks a “significant step” in advancing our understanding of ocean biodiversity. Traditional methods can take up to 14 years, but this international collaborative effort of 800 scientists from over 400 institutions is changing the approach.

Many species go extinct before they’re documented. The mission’s executive director explained that while oceans cover 71% of our planet, only about 10% of marine life has been discovered. By accelerating identification, scientists can better protect these species.

The GitHub Copilot assistant, which recently gained an agent mode feature to help it compete with Cursor and Windsurf, now has over 15 million users, four times more than a year earlier, Microsoft CEO Satya Nadella told analysts on a conference call earlier this month.

A free Copilot tier for individuals provides limited access.

The new coding agent won’t be free, though. It will be available to developers with Copilot Pro+ subscriptions and organizations that subscribe to the Copilot Enterprise service tier, GitHub said. It’s available in preview, meaning that GitHub will take early user feedback, the spokesperson said.

Astronomers have discovered a likely explanation for a fracture in a huge cosmic “bone” in the Milky Way galaxy, using NASA’s Chandra X-ray Observatory and radio telescopes.

The bone appears to have been struck by a fast-moving, rapidly spinning neutron star, or a pulsar. Neutron stars are the densest known stars and form from the collapse and explosion of massive stars. They often receive a powerful kick from these explosions, sending them away from the explosion’s location at high speeds.

Enormous structures resembling bones or snakes are found near the center of the galaxy. These elongated formations are seen in radio waves and are threaded by magnetic fields running parallel to them. The radio waves are caused by energized particles spiraling along the magnetic fields.

Did the universe really start with a Big Bang? Dr. Richard Lieu thinks otherwise. In this episode, we explore his radical theory of transient temporal singularities—bursts that could replace dark matter, dark energy, and even the Big Bang itself. Get ready to rethink the universe.

Paper link: https://arxiv.org/pdf/2503.

Chapters:
00:00 Introduction.
00:43 The Big Bang Under Scrutiny.
04:31 Gravity Without Mass?
07:56 Implications, Related Theories, and the Future of Cosmology.
11:07 Outro.
11:26 Enjoy.

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China has begun launching satellites for a giant computer network in space, according to the China Aerospace Science and Technology Corporation.

Newsweek contacted the company and the United States Space Force for comment.

Why It Matters

Space is an increasing frontier for competition between China and the United States. Putting a computer network in space marks a step change from using satellites for sensing and communications, but leaving them dependent on their connections to Earth for data processing.

A team of physicists, biologists and engineers at Cornell University, in the U.S., has discovered some of the factors that lead to more or less spray when cutting onions and found a couple of ways to reduce the amount of eye irritation. The group has published a paper describing their study on the arXiv preprint server.

Prior research has shown that eye irritation when cutting is caused by the release of syn-propanethial-S-oxide into the air along with other juices in the onion. For this new study, the team in New York wanted to know what factors led to more or less of the juices being spewed into the air during slicing.

To find out, the research team outfitted a special guillotine that could be fitted with different types of blades. They also coated onion chunks with paint to allow for better viewing of the cutting process. They used the guillotine to cut samples, each of which was recorded. Trials varied knife size, sharpness and cutting speed. They even used an to accurately measure the knives before use.