Grant says that because sheep brains were removed from the carcasses they

Grant says that because day sheep brains modules day were removed from the carcasses day php?year=2010&month=3&day=19 they did not enter the human food modules chain and so posed no risk. They were removed and extcal sold as a common food to be prepared day php?year=2010&month=3&day=19 in a variety of ways. Any French or English cookbook will give examples. So where does that leave us?Yours faithfully,Steve RobsonLondon, SE17 December. From Mr Noble Wilson Sir: David Lister's case (Section php?year=2010&month=3&day=19 Two; "As not seen php?year=2010&month=3&day=19 modules extcal on TV", 6 December) for the making of modules extcal television recordings modules of some of the extcal best theatre extcal productions in the British theatre day is well argued. It should now php?year=2010&month=3&day=19 be perfectly possible to negotiate rights for domestic and international sales, both with Equity and the technicians' unions.

The multi-channel future is nearly upon us and there will be a need for good, quality programming. More difficult to overcome is the belief that good televised drama can only come from the studio. There was a period in the Fifties when BBC Television transmitted live relays from shows running in the West End theatres, but because managements were nervous about the effect on their audiences, it was only allowed to take part of the productions.To those of us involved in directing these outside broadcasts, it sometimes seemed that only the shows that were not doing too well would agree to a relay. The technology of the time also did not help: cameras were bulky, a lot of extra lighting was required, and good audio coverage of actors moving about the stage was very hard to achieve.Today, all that has changed: cameras are smaller, lighter, and more sensitive, which means less additional lighting needs to be installed. Radio microphones ensure perfect speech from any part of the stage.

Digital video recording guarantees the quality of reproduction.It really ought to be possible to ensure that memorable productions can be enjoyed, long after they have closed, by audiences in Britain and abroad.Yours etc,Noble WilsonLong Ditton, Surrey7 December. From Dr David A. Rothery Sir: What a pity Tom Wilkie ended his otherwise excellent article on spacecraft that have gone to Jupiter and beyond (8 December) with a paragraph about a "tenth planet beyond the orbit of Pluto" that might have been written years ago. Few planetary scientists now believe that "Planet X" can exist. The strongest evidence against it comes from observations in recent years of dozens of small icy objects, 200km and smaller in size, that are scattered throughout the region of Pluto's orbit and beyond. This is none other than the Kuiper belt, predicted by the Dutch-American astronomer Gerard Kuiper in 1951 as representing debris from the birth of the solar system, too widely dispersed to have aggregated into planet-size objects.Extrapolating from the very small areas of sky so far surveyed in detail, it has been suggested that there are probably about 100 million of these more than 10km across. Whatever the total, the very presence of the Kuiper belt is a strong indication that there is no large planet out there.Yours sincerely,D.