Corrections and clarifications

We misspelled the name of a professor of urogynaecology, who is also a consultant gynaecologist, in an article about childbirth. She is Linda Cardozo, not Cardoza ('We know the reality of childbirth', page 10, G2, July 11).

The Big Bang Machine supplement, published on June 30, about the Large Hadron Collider at Cern, said that protons will travel around the LHC ring at 99.99% of the speed of light; the correct figure is 99.9999991% (The building blocks, page 3). A piece headed Massive bosons blew my unit, page 19, claimed that the LHC will be the coldest place in the universe. The super-conducting magnets are cooled to 1.9 degrees above absolute zero (1.9K or -271.3C), but some low-temperature physics experiments can achieve temperatures of one-billionth of a degree above absolute zero.

The former Olympic boxer Ron Cooper, who is 80, has not been married to his wife Bessie for 68 years; they have been married for 57 years ('It was the youth of the world getting together', page 6, G2, July 10).

Berlusconi's equal opportunities minister, Mara Carfagna, was born in Salerno, south of Naples, not Salento as we had it in an article headed Who's that girl?, page 12, G2, July 10.

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