William Gilbert: his idea of the Earth as magnetic was widely accepted in scientific circles and had a great influence on navigation in particular

You may not be aware but the North Pole is moving. Scientists recently announced that the pole appears to be migrating faster, at about 40km-50km per (...)

Alcock and Brown leaving Newfoundland.

Around 9am on June 15th , 1919, an Australian soldier spending his honeymoon in Clifden looked out the window of his hotel room and saw a plane. Short(...)

The hole in the ozone layer over Antarctica on October 2nd, 2015, which appears to be healing. Photograph: Nasa/Goddard Space Flight Center/PA Wire

The words “ozone hole” dominate my earliest memories of climate change. I was in primary school when scientists announced they had discovered a hole i(...)

The ability to alter DNA using CRISPR technology and insert genes into species may not be indication of Haldane’s world becoming reality, but it raises issues about the direction in which science is heading

In 1923 the geneticist John Burdon Sanderson Haldane made a speech to the “Heretics” society at Cambridge University. He later expanded and published (...)

A gallery assistant at the Royal Observatory, adjusts the minute hand of a turret clock inside the observatory, in Greenwich,  London. Photograph: Johnny Green/PA.

It is the time of year when we all begin to be thankful for the “grand stretch in the evening”. The signs of spring are not just daffodils and bird ch(...)

A reconstruction of a Neanderthal man at a museum in Halle, Germany. We now know that Neanderthals are our closest ancestor and probably interbred with humans. File photograph: Sebastian Willnow/AFP/Getty Images

When you imagine a Neanderthal you probably think of the classic image of the “cave man”: heavy brow, monkey-like face, stooping posture, shaggy hair,(...)

Braces no longer a familiar aspect of adolescence as dentists and orthodontists see the adult’s mouth as just as malleable as the child’s

In an article on an 18th-century tooth-puller, historian Colin Jones claimed that “the list of Great Dates in Dentistry is largely unknown, I wager, o(...)

A car under  debris  after an earthquake off the island of Kos, Greece, in July  2017. Photograph: Reuters/Costas Baltas

Google and Harvard University have just announced new research in seismology using artificial intelligence. Researches have “trained” computers using (...)

An electric kettle changes electrical energy into heat, which is just another form of energy; the heat then boils the water. Photograph: Bryan O’Brien

During the recent heat wave I realised just how assimilated to Ireland I have become. No, it wasn’t because I complained that the temperature was too (...)

Someone diagnosed with HIV at age 20 is, with treatment, expected to live to 73.

There is no legal obligation on a person with HIV to disclose their status, nor is there a law that provides a specific penalty for knowingly transmit(...)

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