[DagAgren]

Indirectly, yes. Directly, not yet.

[layoutIfNeeded]

Define "directly". The definition of dark matter is that it's electromagnetically non-interacting, therefore observing it's gravitational effect is as direct as it gets.

[DagAgren]

Since we do not know what exactly it is, defining "directly" is not really something you can do.

But, for instance, electroweak interaction is being looked at, I gather?