"Woman with migraine and hands on her temple

hands
Price: head

"pumpkin Ñoquis with Green pea sauce and parmesan"
Price: "10"

"Water running from faucet."
Price: "10"

"Businesswoman on cellphone with ok gesture, isolated

speak
Price: phone

"Cell culture dishes with growth medium used to cultivate cancer cells, stem cells and viruses in the lab

biology
Price: laboratory

"A sailboat passes in front of the Vancouver Skyline.

downtown
Price: skyscrapers

"Researcher working with flu virus

biotech
Price: swine flu