Can fuel cells clean up mine waste?doi:10.1016/S0262-4079(07)63089-9Such a set-up would produce electricity and usable iron compounds into the bargain, making cleaning up mines more economical and efficientSDOSThe New Scientist
One of the substances jellyfish mucus absorbs are the particles that make up microplastics. By trapping these tiny pieces of floating plastic, the mucus acts like amagnet– an object that attracts certain materials, like meta...
for example,often became clear after flowing through plants and along rocks where tiny creatures lived.When he got older,John started to wonder if this process could be used to clean up the messes people were making.(当约翰•托德还是个孩子的时候,他喜欢探索房子周围的树林...
Bringing your aluminum cans to the scrap yardsin your area can seem like a waste of time, but when you start adding up the dollars for your aluminum can recycling, it could be worth the time. We often suggest you gather bulk aluminum cans before heading to the scrap yard to cash them ...
One of their jobs is to clean up dead neutrophils -- macropghages clean up pus, for example, as part of the healing process. The lymphocytes handle most of the bacterial and viral infections that we get. Lymphocytes start in the bone marrow. Those destined to become B cells develop in ...
You can clean potatoes on a quick rinse cycle without detergent. This is probably a waste of water and electricity compared to doing it by hand unless you’re doing dishes, too. 26. Vacuum cleaner attachments Run them through on a normal cycle if they’re gunky. ...
1. 语法填空 Let's clean up the ocean together! We all know it's important to have dreams.to make the dreams(come) true is not an easy thing. A young Dutch man named Boyan enjoys(work) hard to make his dreams come true. When Boyan was 17, he went diving(潜水) in Greece. He wa...
Prevent the risk of falling from a ladder with this cleaning tool that can reach up to two-storeys. If you need to remove debris, leaves, pine cones, and sticks blocking your gutters, this item can grab those for you. You can also clean your roof while staying still on the ground. Th...
researchers discovered ways to manipulate specific memories in mice using optogenetics, a powerful technique that can trigger nerve cells in animals brains by zapping them with beams of laser light. In a series of experiments, they showed that they could delete existing memories and "incept" false...