Apocalypse Averted, Colossal Squid, & Rocket to the Sun?

TL;DR

Earth will be safe from asteroid 2012 da14, astronomers believe primordial black holes can provide valuable insights, the colossal squid's huge eyes give it an advantage over its predator, scientists have discovered genetic evidence of prehistoric gene flow between Africa and Europe, and sending nuclear waste into the Sun is too expensive and risky.

Transcript

hi welcome back to the office where today we'll be talking about the end of the world a colossal squid the world's largest radio telescope and finally some answers to some questions about sending nuclear waste into the Sun firstly I'm happy to report that since the last time we met earth has avoided complete destruction yay first bit of good news i... Read More

Key Insights

• 💩 Earth will not be hit by asteroid 2012 da14, providing relief and an opportunity for scientific study.
• 🖤 Primordial black holes colliding with Earth could offer valuable insights into their existence and the early universe.
• 😃 Colossal squids' large eyes give them an advantage in detecting predators, helping them to survive.
• 🌍 Genetic evidence shows early gene flow between Africa and Europe, influencing our understanding of human migration.

Questions & Answers

Q: What is the significance of asteroid 2012 da14, and will it impact Earth?

Asteroid 2012 da14 is a 45-meter asteroid that will pass very close to Earth, but NASA has confirmed it will not hit us. Its close approach provides scientists with an opportunity to study it.

Q: What are primordial black holes, and how could their collision with Earth benefit astrophysics?

Primordial black holes are theoretical black holes that are much smaller than regular black holes. If they were to collide with Earth, it could cause a magnitude four earthquake, providing evidence of their existence and offering insights into the early universe.

Q: Why do colossal squids have such large eyes, and what advantage does it give them?

Colossal squids have huge eyes, around 27 centimeters in diameter, which makes them extremely sensitive to light. This allows them to detect predators, such as sperm whales, from far away, increasing their chances of escaping.

Q: What genetic evidence has been found regarding prehistoric gene flow between Africa and Europe?

Scientists discovered that the mitochondrial DNA of sub-Saharan Africans has been present in Europe for over 11,000 years, suggesting migration from Africa to Europe in prehistoric times. This challenges previous assumptions about human migration patterns.

Summary & Key Takeaways

• Earth will not be destroyed by asteroid 2012 da14, which will come closer to Earth than any other asteroid, but NASA's near-earth object program confirms it will not hit us.

• Astronomers discuss the potential benefits of primordial black holes colliding with Earth, which could provide evidence for their existence.

• The colossal squid has the largest eyes of any animal, and scientists believe this gives it an advantage in detecting predators like sperm whales.

• Scientists have discovered genetic evidence of prehistoric gene flow between Africa and Europe, challenging previous assumptions about human migration.

• Sending nuclear waste into space, including the Sun, is deemed too expensive and risky due to potential launch failures and the large amount of nuclear waste needing disposal.