... Oh, wait. brought back to life "in stunning 3D by a scientist at The University of Manchester."
I hate those press release writers...
This is actually fairly cool despite the fact that no actual spiders were actually brought back to life. Very High Resolution X-Ray Computed Tomography (VHR-CT) was used to "digitally dissect" tiny fossils thus revealing very fine detail including internal organs. Here is an example:
Penny et al. 2007, 'First fossil Micropholcommatidae (Araneae), imaged in Eocene Paris amber using X-Ray Computed Tomography' appears in the current edition of Zootaxa 1623: 47-53