1.   These symptoms are often the first evidence of advancing arterial disease.

2.   This new instrument found the first direct evidence of solid matter surrounding stars other than our Sun.

3.   Two years ago, we discovered the first evidence for intelligent life outside the Earth.

4.   For it was Gould who showed Darwin his first evidence of the possible transmutation of species.

5.   The first indirect evidence for a falling population is the movement of wage rates.

6.   This transmission was the first evidence of cross-infection with P cepacia in Edinburgh CF patients.

7.   LiPuma et al provided the first evidence that person-to-person transmission may occur.

8.   I think the first evidence we have of that, is when Brocklehurst has placed her on the stool and publicly humiliated her.

9.   Although the claim was almost immediately recanted, UFO buffs continue to believe the incident marked the first evidence that aliens have visited Earth.