Albert Einstein used to ponder these 5 mind-melting questions for fun. Can you figure them out?

Tech Insider
Photo of Albert Einstein in front of a chalkboard.
Albert Einstein pondered very complex ideas but tried to make them accessible.

Hulton Archive / Stringer / Getty Images

5 animal species that became radioactive after being exposed to nuclear fallout zones

Tech Insider : Environment
A photo of the inside of a nuclear power plant.
The heart of nuclear reactor number 3 at Chernobyl nuclear power plant.

Anatoli Kliashchuk/Sygma via Getty Images

Vanishing island forces hundreds of Indigenous families to abandon homes

Tech Insider

The tiny, overcrowded Carti Sugtupu will soon vanish under rising sea levels, forcing the Indigenous Guna people to abandon their island home. Hundreds are expected to relocate to Panama's mainland in early 2024, after more than a decade of government delays.

What is a quantum dot?

Tech Insider
A schematic representation shows an electron under 12-qubit quantum dot gates.
A schematic representation shows an electron under 12-qubit quantum dot gates.

Associated Press

Earth's inner core is more like a ball of butter than a solid metal sphere, a new study suggests

Tech Insider
illustration of earth's core/mantle layers
An artist's conception of the different layer's of our planet, including the crust, mantle, and inner and outer cores.

Getty

Cannibalistic Europeans likely ate their dead at funerals 15,000 years ago instead of burying them, study says

Tech Insider
A bone from the Upper Palaeolithic Era engraved with markings associated with ritual cannibalism.
A bone from the Upper Paleolithic Era engraved with markings associated with ritual cannibalism, from London's Natural History Museum

Reuters

SpaceX's mega-rocket has a 'decent chance' of making orbit on its next flight, Musk said. Last time, Starship blew up the launchpad and exploded in mid-air.

Tech Insider
Side by side images show Starship lifting off in a cloud of smoke on April 20, next to a picture of the rocket tumbling out of control and spewing flames before blowing up.
Two images from Starship's first fully integrated launch in April show the rocket taking off then tumbling out of control before blowing up

SpaceX; Jonathan Newton/The Washington Post via Getty Images; Insider

Scientists used a laser beam to bend a bolt of lightning for the first time

Tech Insider
Side by side images show lightning seemingly curving away from its path to follow a bright laser beam being shot toward the sky
Two side-by-side pictures of a lightning bolt interacting with a laser. It shows the bolt following the path of the laser on its way to the ground.

Houard, A., Walch, P., Produit, T. et al. Nat. Photon (2023). https://doi.org/10.1038/s41566-022-01139-z. CC-BY 4.0

An orca mysteriously died thousands of miles from home after swallowing 7 sea otters whole

Tech Insider
Two otters cling to each other in the ocean.
Otter populations in the Commander Islands have been decreasing in recent years.

Arthur Morris/Getty Images

The Biden administration is negotiating lower prices for 10 medications with drug manufacturers

Tech Insider : Economy
President Joe Biden
U.S. President Joe Biden speaks during an event to discuss Social Security and Medicare held at the University of Tampa on February 09, 2023 in Tampa, Florida.

Joe Raedle/Getty Images

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