Science

Each crystal is transparent, like ice. Light is reflected and scattered at the interface between the ...

The liftoff took place on May 5th, 1961. It allowed Alan Shepard Jr. to go down in history as the fi ...

The name comes from the legend of an arctic fox that ran north, spreading its tail sparks of fire shining in the moonlight.

As the temperature dropped, subatomic particles and then atoms separated. The universe was filled wi ...

The measurement error from 2013 is 2.2 percent.

There are numerous stars inside the gas belt, concentrating in two places in the belt in the so-call ...

Plants such as tobacco produce it to repel pests - nicotine interferes with the neurotransmitters of insects and kills them.

They can turn yellow because of unprocessed bilirubin, which is a by-product of the catabolism of heme (a precursor to hemoglobin).

Coins were produced from it as early as the 7th century BC. They were made in an ancient country called Lydia, from an alloy of silver and gold called electrum.

Its temperature is from 1 million to 2.5 million degrees Celsius and it extends for hundreds of thou ...