Your emails are all scanned—and that's what you agreed to

According to Nobel Laureate Gabriel García Márquez, "all human beings have three lives: public, private, and secret". It is in our nature to want privacy, yet in the internet age, it has never been easier to access the ...

Physicist proves impossibility of quantum time crystals

(Phys.org) —Is it possible that a moving object could have zero energy? The common sense answer is no, since motion itself is kinetic energy, but this answer has been challenged recently by the concept of quantum time crystals. ...

Detection of single photons via quantum entanglement

Almost 200 years ago, Bavarian physicist Joseph von Fraunhofer discovered dark lines in the sun's spectrum. It was later discovered that these spectral lines can be used to infer the chemical composition and temperature of ...

Key link found in Cosmic Distance Ladder

(Phys.org) —When observing the bright explosion of a White Dwarf star in our neighbouring galaxy last year, researchers from The Australian National University collected the largest ever data set on what they recognised ...

Pearly perfection

The mystery of how pearls form into the most perfectly spherical large objects in nature may have an unlikely explanation, scientists are proposing in a new study. It appears in ACS' journal Langmuir, named for 1932 Nobel ...

Japan experts to OK animal-human embryos test: reports (Update)

Proposed experiments with animal-human embryos cleared the first regulatory hurdle Tuesday, reports said, as Japanese scientists seek permission for tests that could see human organs produced inside the growing body of an ...

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