Please capitalize where necessary: we have a light lunch at hobo's; sandwich with ham, halloumi and salad. i read the cyprus mail and helle has brought her book.
A: We have a light lunch at Hobo's; sandwich with ham, halloumi and salad. I read the Cyprus Mail and Helle has brought her book.

Q: in 1957 the skin-colouring properties of dha were discovered at a children's hospital.

A: In 1957 the skin-colouring properties of DHA were discovered at a children's hospital.

Q: while olav den hellige was king of norge, representatives from the faroes went to him to negotiate about different affairs.
A: While Olav den Hellige was king of Norge, representatives from the Faroes went to him to negotiate about different affairs.

Problem: dansk center for byhistorie - danish urban studies
Can you repeat this sentence, but capitalize it?
Answer: Dansk Center for Byhistorie - Danish Urban Studies

Text: the old heraclitus was right, when he claimed: "panta rhei everything is moving away and nothing remains."

Correct capitalization: The old Heraclitus was right, when he claimed: "panta Rhei Everything is moving away and nothing remains."

Problem: this modification of the kdv equation resulted in new phenomena.
Can you repeat this sentence, but capitalize it?
Answer:
This modification of the KdV equation resulted in new phenomena.