You can speed up in-game time using the NUMPAD / and NUMPAD * keys, so if you can actually verify this is true, you can load up on food and grab artifacts near anomalies. Later on, you may find artifacts respawning (rarely) near anomalies after you pass a lot of in-game time (this is a very rare occurence that borders on a possible bug). When you first approach an anomaly, there are sometimes artifacts that are already produced and floating on the ground (esp.