Florida zoo works to protect animals from summer heat 

WEST PALM BEACH, Fla. — Malayan tigers and Aldabra tortoises are native to hot and humid lands, but that doesn't mean they don't enjoy a frozen treat on a hot Florida summer day. Temperatures in South Florida this month have reached the upper 90s Fahrenheit (mid-30s Celsius) with humidity reaching 70%, combining for “feels like” temperatures regularly exceeding 100 F (38 C). Staff at the Palm Beach Zoo & Conservation Society use a variety of techniques to keep their animals cool. Zookeepers...