343 records found. Displaying 169 - 192.
Ice in the Arctic is disappearing—and opportunity is calling. As climate change transforms the top of the world, warmer conditions are exposing a treasure trove of energy resources previously… Read More →
Welcome wildebeest / and beetle, / Oxpecker and lion. / This water hole is yours. / It offers you oasis / beside its shrinking shores. Spend a day at a water hole on the African grasslands… Read More →
Did you know that about 40 percent of the world's population lives without toilets? That's more than two billion people, most of whom live in rural areas or crowded urban slums. And according… Read More →
From the Series Sandra Markle's Science Discoveries
Little brown bats do us a big favor. They eat huge numbers of insects! That helps limit the spread of diseases and the damage that insects do to farm crops. But in recent years, large… Read More →
"I didn't hear the word transgender until I was eighteen, when a person I was dating came out as trans. My boyfriend came out as my girlfriend, and I thought, 'What . . . is that?' She said… Read More →