Mashable: A heat wave is forecast to envelop much of continental Europe and the UK during the end of June into the first week of July, potentially setting records from Spain to England. Competitors in the famous Wimbledon tennis tournament, for example, may have trouble dealing with temperatures that may reach the low-to-mid 30s Celsius (up to the mid-90s Fahrenheit) in the London area by next week. The heat will first build across Iberia over the weekend, before spreading its tentacles into the UK for...