Wyprawa Darwina

No. The first worker placed in a Diary Section has no penalty; later workers pay the listed penalty, regardless of how many workers are already there. Square or rectangular Magnifying Glass locations never impose a placement penalty. (pp. 8–9)

Yes. When placing a worker, you may spend a Temporary Knowledge token to count as any one color of Wax Seal for that placement. Temporary Knowledge cannot be used to fulfill Objective or Crew card Wax Seal requirements. (pp. 10, 21–22)

No. You may perform the available actions in any order and may choose not to perform some of them. Benefits gained from one action may be used to pay for later actions during the same turn. (p. 10)

No. Occupied spaces containing opponents' Explorers are skipped and do not count toward your movement limit. Only one Explorer may occupy most locations, while the first and last spaces can hold any number. (p. 13)

You do not spend anything to meet an Objective's requirements; you only need to satisfy them. However, if you take the Objective from your reserve and place it on a location with a Coin penalty, you must pay that placement penalty. (p. 20)

Normally, no: you may take Stamps from any combination of your personal stacks, but all of them must be placed on one Envelope. You can distribute them among multiple Envelopes only if the action has the Split Stamp Locations distinction or is the Distributed Correspondence special action. (pp. 15, 18–19)