Two southern stingrays were born in a tropical ocean display at the Blue Reef Aquarium in Newquay.

BBC: RELATED BBC SITES

The Nasa researchers, alongside a team from UCSB, made the comparison by looking at past tropical ocean surface temperatures.

BBC: NEWS | Science/Nature | World 'warmest for 12,000 years'

Keith Briffa, from the University of East Anglia's Climatic Research Unit, said the tropical ocean regions were among the more reliable areas from which to infer large-scale temperature changes.

BBC: NEWS | Science/Nature | World 'warmest for 12,000 years'

Recent studies of 79 tropical plants in the Indian Ocean archipelago revealed that more than three quarters of them were at risk of extinction.

CNN: Western black rhino declared extinct

Tropical Storm Florence strengthened a bit Saturday over the open Atlantic Ocean, its center about 515 miles west of the Cape Verde Islands as it headed toward the Leeward Islands.

CNN: STORY HIGHLIGHTS

Imanta, built quite literally into a cliff among the lush tropical jungle jetting out into the pristine waters of the Pacific Ocean is perfect for a romantic excursion and reconnecting with nature.

FORBES: Mexico's Imanta Resort Sits Pretty On The Riviera Nayarit

Advances in satellite observations have narrowed down the error in the path and landing site of tropical cyclones, and improved the accuracy and precision of atmospheric-weather and ocean-weather forecasts.

UNESCO: Communication and Information

Although scientists have long recognised that mid latitudes were warmer when dinosaurs walked the Earth, some researchers have held to the view - partly based on the previous shell data - that different ocean currents must have operated at the time, leading to warmer polar temperatures but, crucially, cooler tropical temperatures.

BBC: Dinosaurs felt the heat