scientific experiments

Sunita Williams and Butch Wilmore upon their arrival at the International Space Station. Photo: NASA

The two astronauts stranded on the space station have returned to Earth.

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Sonny Williams and Barry Wilmore complete a mission that extended from an initial eight-day plan to nine months.
The cover of Leibniz's book. PR photo

Chapter from Leibniz. The best of all possible worlds by Michael Keszampe

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From German: Aviad Shtir, Philosophy and Science series edited by Yehuda Meltzer, Attic Books and Yediot Books
The astronauts of Polaris Dawn put on the special space suits developed by SpaceX and designed for an environment saturated with radiation before the launch. Photo: NASA/SPACEX

Historic launch: SpaceX's Polaris Dawn mission in which the first private spacewalk is expected

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Engineering model of the Genesis 2 lander. Courtesy of SPACEIL

A large group of donors is withdrawing from the Genesis mission

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The donor group that invested 45 million dollars in the Genesis 2 mission, announced that it would stop further funding; The Kahn Foundation: the group will continue to support the educational activities of the Spice IL association; CEO of Spice Eye

The Research Regulation Council: plans to ban experiments on antibiotic-resistant bacteria

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Guess who it is

Happy birthday Einstein: Is it possible to sense the lengthening of time from Einstein's theory of relativity?

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Figure 1: Phylogenetic tree.

Genetics and evolution - far beyond a reasonable doubt

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Sir Isaac Newton

Thought experiments in science

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