Like all insects, mosquitoes thrive in warmer weather. But what they really need is water. La Niñarainfalland flooding are providing the perfect breeding ground for mosquitoes, with numbers exploding in recent weeks. People are also seeing giantmosquitoes, tiny mosquitoes, and species they haven'...
Mosquitoes carry malaria (疟疾), which kills thousands of people each year. Now some researchers are trying to use genetic engineering to make the annoying insects into partners in the fight against the disease. For years...
Unfortunately streets in Costa Rica do not have good drainage and when it rains, drains get clogged and roads flood. Huge pools of water stay on the streets for days allowing mosquitoes to breed prolifically. Large puddles are present nearly all the time in rainy season. For these reasons, ...
If you examine the racing that happens well offshore, you will see the ultimate in sailing performance. These are rocket ships designed to cross open oceans, throwing huge rooster tail wakes because they are so fast. They have almost nothing in common with “normal” sailboats. One difference ...
5. Mosquitoes Depending on where you live, these bugs can be a huge issue. They feed on the blood of humans and pets, their bites leave itchy, red welts, and they can carry diseases. They like to lay their eggs in stagnant water, so make sure you don’t have anything that can coll...
Mark Twain stayed in a small hotel near the station.He went into his room,but when he was just about to have a rest,quite a few mosquitoes flew around him.The waiters felt very sorry about that.“I’m very sorry,Mr.Mark Twain.There are too many mosquitoes in our town,” one of ...
Mosquitoes and fleas are also common vectors for zoonotic diseases, such as the Zika virus (transmitted by mosquitoes) and the bacterium that causes plague (transmitted by fleas). Related: Why don't ticks die of Lyme disease? People can also catch zoonotic diseases through consuming contaminated ...
Dragonflies have large, compound eyes made up of many tiny units. The eyes are joined and make up most of the dragonfly’s head. They have short antennae and six legs that are ideal for perching but not for walking. Dragonflies are great predators and eat insects likemosquitoes,gnats,cicada...
At night the mosquitoes came. I was out of consciousness because of pain and hunger. Then I heard voices. I pushed my hand out of the window and amazingly someone grabbed it. The rescue team had arrived nine days after the crash. Language and Culture Notes 答案 Listen...
Staying indoors between dusk and dawn (the mosquitoes are most active in the evenings) Wearing a strong mosquito repellent, preferably with DEET Always use a mosquito net over your bed when you sleep Spray your room with insect repellent, and treat clothes and bedding Wear long sleeves, trousers...