John Heilprin

Read the latest stories and analysis from John Heilprin.

FILE -In this April 30, 2013 file picture a Christie's employee displays the largest colour flawless diamond, weighing 101.73 carats, during a preview at Christie's auction house in Geneva, Switzerland,. The largest pear-shaped colour flawless diamond is expected to reach US $ 30 million and it will be the hightlight at the Christie's auction on Wednesday May 15 , 2013 in Geneva. (AP Photo/keystone, Salvatore Di Nolfi,File)

Geneva auction sells huge diamond for $26.7M

John Heilprin · May 15, 2013 4:00 am

EU court finds Swiss assisted-suicide laws vague

EU court finds Swiss assisted-suicide laws vague

John Heilprin · May 14, 2013 5:40 pm

Nations at nuclear meeting say too many on alert

Nations at nuclear meeting say too many on alert

John Heilprin · May 3, 2013 5:17 pm

Egypt walks out of nuclear talks in Geneva

Egypt walks out of nuclear talks in Geneva

John Heilprin · April 30, 2013 3:00 am

Mexican, Brazilian lead race to be next WTO chief

Mexican, Brazilian lead race to be next WTO chief

John Heilprin · April 26, 2013 4:41 pm

FILE -In this undated picture made available by NASA, a technician examines the Alpha Magnetic Spectrometer at Kennedy Space Center in Cape Canaveral, Fla.. The cosmic ray detector was mounted on the International Space Station, searched the universe and shall help to explain how everything came to be. CERN , the European Organization for Nuclear Research, released first results of the experiment Wednesday April 3, 2013. (AP Photo/NASA, Glenn Benson)

Scientists find possible hint of dark matter

John Heilprin, Seth Borenstein · April 3, 2013 4:00 am

Credit Suisse returns to profit in Q4

Credit Suisse returns to profit in Q4

John Heilprin · February 7, 2013 8:52 am

Cancer drugs give Roche a 2012 profit boost

Cancer drugs give Roche a 2012 profit boost

John Heilprin · January 30, 2013 8:24 am

More than 140 nations adopt treaty to cut mercury

More than 140 nations adopt treaty to cut mercury

John Heilprin · January 19, 2013 3:52 pm

More than 130 nations begin mercury treaty talks

More than 130 nations begin mercury treaty talks

John Heilprin · January 13, 2013 6:06 pm

UN finds rising mercury emissions, need for treaty

UN finds rising mercury emissions, need for treaty

John Heilprin · January 10, 2013 11:23 am

Police patrol in the village of Daillon after a shooting, in Switzerland, early Thursday, Jan. 3, 2013. A man shot and killed three people and wounded another two in a Swiss village, and was then arrested by officers who shot and injured him, police said Thursday. Police in the southern canton (state) of Valais said they were alerted to the shooting in the village of Daillon just before 9 p.m. (20:00GMT) Wednesday. Three of the victims died at the scene and the two injured people were taken to hospitals. A police statement early Thursday gave no detail on their injuries. (AP Photos/Keystone, Olivier Maire)

Swiss gunman kills 3 people, had troubled history

John Heilprin · January 3, 2013 5:00 am