NEWS DIGEST 08.08.2021: NASA’s Perseverance fails first Martian sample collection, other science stories

Good morning. Today’s news is from NewsNow’s Science bulletin board. NASA says that its Perseverance rover failed its first attempt to drill rock samples on Mars, an unexpected and disappointing outcome. NASA indicates that it believes future attempts will be … Continue reading NEWS DIGEST 08.08.2021: NASA’s Perseverance fails first Martian sample collection, other science stories

A MEAL FOR EIGHT (LEGS): How spiders catch their food

Our planet is home to around 35,000-50,000 species of spider (the estimates vary), the vast majority of which spin webs made out of silk generated inside the spider’s body. As any arachnid expert will tell you, spiders weave their silky masterpieces primarily as a means of obtaining food. With strands stronger than the equivalent thickness of steel, spider webs are covered with sticky substances that ensnare their prey, trapping flies and even birds and snakes, ready for the web’s resident to deliver its venomous coup de grĂ¢ce. When an insect flying about and minding its own business collides with a … Continue reading A MEAL FOR EIGHT (LEGS): How spiders catch their food