by Vera H-C Chan Blood popsicle , anyone? All right, that might not be the first thing to reach for in triple-digit heat. But with weathermen bandying about high-faluting adjectives like "sweltering" and "blistering" â€" and with searches on Yahoo! like " sunburn relief ," " tips to prevent heat exhaustion ," " what does heat rash look like ," and " heat island effect " spiking â€" people are scrabbling for ways to survive record-high temps . Besides illnesses,