Green groups cautious as Shell unveils 'net zero' plan

Green investors welcomed Thursday's pledge from energy giant Shell that it will be carbon neutral by 2050, but environmental groups cautioned its commitment still fell short of the drastic emissions cuts required to avert ...

New method will make doping tests quicker

Skoltech scientists and their colleagues proposed a way to simplify the search for traces of medicines, narcotic substances and sports doping drugs in human biological samples by performing two additional tests with the search ...

Six-fold jump in polar ice loss lifts global oceans

Greenland and Antarctica are shedding six times more ice than during the 1990s, driving sea level rise that could see annual flooding by 2100 in regions home today to some 400 million people, scientists have warned.

Cooling of a trapped ion to the quantum regime

Neutral atoms and charged ions can be cooled down to extremely low temperatures (i.e., to microkelvins, 1 millionth of a degree above absolute zero) using laser techniques. At these low temperatures, the particles have often ...

The cosmic confusion of the microwave background

Roughly 380,000 years after the Big Bang, about 13.7 billion years ago, matter (mostly hydrogen) cooled enough for neutral atoms to form, and light was able to traverse space freely. That light, the cosmic microwave background ...

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