Cacti are bursting into bloom around the Tucson valley. The milky white flowers of saguaros, yellow blooms of prickly pears and other kinds of cactus are arriving just in time to fill a void left by ...

Despite its unusual appearance, cactus fruit is delicious and loaded with nutrients. Also known as prickly pear, tuna fruit, or cactus pear, it has a naturally sweet flavor and can be used in various ...

Japan-based biochemist Ali Malay has long questioned traditional theories about how spiders make their silk. “The prevailing hypotheses seemed like magic, because, according to it, you suddenly have ...