For a week, six to eight trucks a day had hauled away the black goo.

The walls behind the bio-weirs were covered with soft black goo.

The black goo seems to be forming into tiny tendrils.

The black goo is forming at the corners of his eyes again.

He lay unmoving on the grass, covered in the black goo.

It had disintegrated before his eyes to a black, slimy goo.

What exactly is that black goo in water sample No. 242807?

Buffy comes up and out of the creature covered in black goo.

When that was completed, she began smearing black goo across her face.

There were clinging patches of black goo on his back.