NASA’s Boomerang-Like Aircraft, Kid Athletes Excel in Class, Citrus and Skin Cancer
Boomerang-Like Aircraft Could Help NASA Find Landing Sites on Mars NASA has built a prototype of what it hopes to be the first aircraft to fly on Mars sometime in the 2020’s. Shaped like a boomerang, the flying wing Prandtl-m will be rather small, with a 61 cm wingspan, and weighing only about 454 grams. […]
Whales Get Sunburned Too
Anyone who has experienced the searing pain of sunburn knows that too much sun can wreak havoc on your skin. Turns out that our fellow mammal, the whale, can also tan and get sunburn. A study published in ‘Scientific Reports, from the publishers of the journal Nature, reveals the sun produces an increase in pigment […]