A chimera is an organism whose cells come from two or more “individuals”, with recent work looking at combinations from different species

Efforts to create human-animal chimeras have rebooted an ethical debate after reports emerged that scientists have produced monkey embryos containing (...)

Green is good: a housing estate in Maynooth, Co Kildare, demonstrates the look of  tree cover. Among other benefits trees can protect against air and noise pollution

There is a justifiable push to build more housing, but this pressure should not ignore the benefits of greenery residential areas. Not only for aesthe(...)

People attempt to prevent police arrests outside the Stonewall Inn, on Christopher Street,  Greenwich Village, New York on Jubne 28th, 1969. Photograph:  NY Daily News Archive/Getty Images

This weekend marks the 50th Anniversary of the Stonewall uprising, a series of protests by group of queer patrons at the Stonewall Inn bar in Greenwic(...)

Actress Felicity Huffman leaves federal court after  acknowledging she paid $15,000 to arrange for cheating on her daughter’s SAT test. Photograph: Kayana Szymczak

The picturesque town of New Haven was the location for the latest chapter in the bankruptcy trial of developer Sean Dunne this week. But for most res(...)

Yale University, whose alumni include more than 20 Nobel Prize-winners, is located in the gritty city of New Haven, Connecticut. Photograph: iStock

Our flight destination in the US is to Bradley International. That would make an excellent pub quiz trivia question: in which US state is Bradley Inte(...)

Re-vitalised brains  of dead pigs said to be ‘cellularly active’. Photograph:  Damien Meyer/AFP/Getty

An experiment has breathed life into the brains of pigs four hours after death. Scientists in the US restored circulation and cellular activity in 32 (...)

Actors Felicity Huffman (left) and  Lori Loughlin are among those charged in a cheating scandalls in US higher education. Photographs:  Lisa O’Connor  and Tommaso Boddi/AFP/Getty Images

Wealthy parents collectively paid tens of millions of dollars to buy places for their children at elite American universities, authorities have allege(...)

“Not an hour went by without some kind of disruption. It’s a terrible way to start recovery.” Photograph: iStock

If part of a hospital stay is to recover from a procedure or illness, why is it so hard to get any rest? There is more noise and light than is conduc(...)

John Kerry: “I have concerns that depending on what kind of Brexit takes place, it could have a negative impact on the progress made in the last 20 years... We have to see how this is going to be resolved.” File photograph: Khaled Elfiqi/EPA

Former US secretary of state John Kerry has warned it is “imperative” to resolve the issues thrown up by Brexit surrounding the Irish Border in a way (...)

A meeting between President Donald Trump and President Xi Jinping of China in April 2017. Photograph: The New York Times

China’s Xi Jinping will hold high-stakes talks with US president Donald Trump this week at the G20 meeting of rich nations in Buenos Aires, and market(...)

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • Next
  • Last »