1.   The scientists took adult rats whose spinal cords were completely severed, and transplanted nerves from elsewhere in the body.

2.   Then they took the rats outside.

3.   They had taken male rats, stimulated the nerves in their penises electrically and demonstrated that the animals had erections.

4.   Collier and his team took sand rats from the Negev desert in Israel to a laboratory in Melbourne for diabetes research.

5.   Collins and his team took sand rats from the Negev desert in Israel to a laboratory in Melbourne for diabetes research.

6.   Later, the rats were taken off the cocaine.