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NASA to conduct unprecedented twin experiment

Consider a pair of brothers, identical twins. One gets a job as an astronaut and rockets into space. The other gets a job as an astronaut, too, but on this occasion he decides to stay home. After a year in space, the traveling ...

In Twin Paradox Twist, the Accelerated Twin is Older

Just when you thought you were beginning to understand the twin paradox (maybe), scientists have found something new to ponder. In the original version of the famous thought experiment on time dilation, one twin stays on ...

How to test the twin paradox without using a spaceship

Forget about anti-ageing creams and hair treatments. If you want to stay young, get a fast spaceship. That is what Einstein's Theory of Relativity predicted a century ago, and it is commonly known as "twin paradox".

An old mathematical puzzle soon to be unraveled?

(Phys.org) —It is one the oldest mathematical problems in the world. Several centuries ago, the twin primes conjecture was formulated. As its name indicates, this hypothesis, which many science historians have attributed ...

South Pole medical evacuation flight launched

Officials with the National Science Foundation (NSF) have launched a medical evacuation flight to NSF's scientific station at the geographic South Pole.

Surprising discovery could change the way industry uses nickel

Nickel is one of the most abundant elements on earth. It is hard, yet malleable, magnetic at room temperature, and a relatively good conductor of electricity and heat. Most notably, nickel is highly corrosion resistant, which ...

Older women more likely to conceive twins due to evolution

Women are more likely to conceive fraternal twins once they reach their 30s as a result of an evolutionary response to combat declining embryo viability, according to a new international collaboration involving researchers ...

New research suggests racism could be a genetic trait

Black Lives Matter (BLM) is an anti-racist movement in the United States, founded as a reaction to many incidents of racism and brutal police violence against black people. The movement got widespread international support ...

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Twin

Twins are two offspring resulting from the same pregnancy, usually born in close succession. They can be the same or different sex. Twins can either be monozygotic (MZ, colloquially "identical") or dizygotic (DZ, colloquially "fraternal" or "non-identical").

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