In today’s Bwoglines, the world turns upside down temperature-wise.

Happening in the World: Plant material extracted from beneath the seafloor in Antarctica suggests that swampy rainforests were thriving near the south pole about 90m years ago during the Cretaceous period. (The Guardian)

Happening in the US: Mobile carrier T-Mobile has completed the takeover of Sprint, merging to create a new wireless giant rivalling AT&T and Verizon in size. (ABC)

Happening in New York: Supplies of medical-grade N95 and surgical masks for medical workers in New York are rapidly dwindling. For people in the New York area who are in possession of N95/medical-grade surgical masks and want to help medical workers in the region, you can visit the New York State Department of Health’s website to fill an online form for donations. (NYT)