After 9,000 years of thriving in the absence of mammalian predators, tammar wallabies still startle at some signs of dangerous mammals, according to an Australian study.
No mammal has threatened the wallabies Macropus eugenii on the unsettled part of Kangaroo Island since the island separated from the Australian mainland. The scientists presented caged wallabies with sights and sounds...
Bone. Nerve. Muscle. Horn. Hide. Silk. With ingenious assemblages of atoms and molecules, biology produces fantastic substances that have long inspired scientists to develop the synthetic materials of the modern landscape. Lately, materials scientists have turned to biology's smallest individuals–viruses, bacteria, and fungi. Not only can these microbes be coaxed to produce high-tech...