1.   The next morning, the two monkeys were still attached.

2.   Then, one night in December, the last two monkeys disappeared from their cage.

3.   You can control only one at a time, with the other monkeys cantering about, jumping on buttons or blithely walking into mines.

4.   After three months, the researchers examined the brains of the eight monkeys.

5.   None of the eight monkeys got sick.

6.   The other monkey survived the post-flight operation.

7.   Health authorities in Texas had said the two monkeys had been imported in March from the Philippines.