You can make saline solution at home with tap water, iodine-free salt, and baking soda. Following safety procedures can prevent bacteria. Saline solution is a mixture of salt and water. Normal saline solution contains 0.9 percent sodium chloride (salt ...

Scientists say there's a lot we can still do to slow the speed of climate change. But when it comes to "climate solutions", some are real, and some aren't, says Naomi Oreskes, historian of science at Harvard University. "This space has become really ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on their own. The teacher blows into a bromothymol blue ...

There are a few leading contact lens brands on the market, but there’s no one-size-fits-all contact lens solution for every person. When choosing the right solution for you, consider advice from an eye care professional, what kind of contacts you use ...

Your support goes further this holiday season. When you buy an annual membership or give a one-time contribution, we’ll give a membership to someone who can’t afford access. It’s a simple way for you to support Vox’s journalism and share it with ...

Mr. Baconi is the author of “Hamas Contained” and the president of the board of al-Shabaka, the Palestinian Policy Network. After 176 days, Israel’s assault on Gaza has not stopped and has expanded into what Human Rights Watch has declared to be a ...

What is the two-state solution for Israel and Palestinians? In the 1990s, the Oslo Accords created hope an agreement could be reached to give the Israelis and Palestinians their own territories. But now Israeli politicians have openly rejected it, suggesting the two-state solution is further away than ever.