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Samsung has been testing Android 10 on its Galaxy S10 series extensively, with one beta update chasing the other over the last few weeks. The company is apparently finally satisfied with the software, as it has just started rolling out the stable release with version 2.0 of One UI in tow. It looks like it’s only coming to some people in Germany, but it can’t take too long until it arrives at more customers.

A compact exoplanet observatory built in Europe to help astronomers determine the sizes of distant worlds around other stars is scheduled for launch Tuesday from French Guiana aboard a Soyuz rocket.

Designed to build upon discoveries made by previous pioneering exoplanet telescopes — like NASA’s Kepler mission — the European Space Agency’s Characterizing Exoplanet Satellite, or CHEOPS, mission will orbit some 435 miles (700 kilometers) above Earth with a small but ultra-sensitive telescope looking at faraway stars.

CHEOPS will be capable of registering tiny changes in the brightness of stars as planets block their light from reaching the telescope. This way of observing exoplanets is called the transit method, and it’s been used by Kepler, NASA’s TESS observatory, and the French space agency’s CoRoT mission to discover planets around other stars.

Chemotherapy is a powerful weapon in the fight against cancer, but the complex nature of the disease means that it doesn’t always produce the desired result. Scientists at the Salk Institute have been researching some of the cellular processes behind these evasive abilities, uncovering a new mechanism that could pave the way for new treatments that see chemotherapy maintain the upper hand.

The work was carried out at the Salk Institute’s Molecular and Cell Biology Laboratory, where medical scientists led by Gerry Shadel set out to investigate the role mitochondria might play in the effectiveness of chemotherapy.

Mitochondria is best known as the power generator of the vast majority of cells, but the scientists have found that it can also act as an early warning sign when something’s not quite right. While most of the DNA we carry is packed inside the nucleus of the cell, mitochondria packs its own small set of DNA, called mtDNA.