Heavy metal ions stick to, or adsorb to, the surface of the tea leaves, where they stay trapped until the used tea bag is disposed of. The study was published in the journal ACS Food Science ...

These tools can purify water from various sources, making it safe to drink and use for cooking. Remember that a bug-out bag should be lightweight and easy to carry since you may have to travel on ...

In her experiments, Zhang asked a group of volunteers to carry a shopping bag with bottles of water that weighed about 10 pounds. A comparison group carried bags with empty water bottles.

Scientists have discovered that tea leaves don’t just make a soothing drink — they can also absorb harmful heavy metals from water. Black tea, in particular, was found to be highly effective ...

The cotton and nylon bags had little to no effect on the metal concentration in the water, whereas the cellulose bags, which are most commonly used, produced the greatest purification effect.

The best dry bags for kayaking, rafting or SUPing allow you to float any body of water while keeping your essentials safe. Here are our top picks for 2024.