TechMystique

THE EARTH GIVES US SIGNS , if we know how to read them. Some scientists obsessively track environmental fluctuations like shifts in precipitation and insect populations in search of early warnings of climate change. But one co-inhabitant of Earth can teach us more about the climate than any other: birds. From the soft buzzing of the hummingbird’s wings to the sweet whistle of a warbler, birds are constantly communicating. Through their actions and very existence, they’re also sending us a message. It’s time to listen. Learn about these beautiful, essential creatures and the incredible impact they have on the planet, below. credits -  www.luizclas.com 1 . Birds pollinate plants . As the canary in the coal mine metaphor suggests, when the birds are in trouble, so are we. Birds perform invaluable ecosystem services necessary for our survival, like pollinating plants and dispersing seeds to help countless species of plants survive.  2 . Birds help in pest control. ...

Mosquito Bites: Can lots of mosquitoes sucking our blood make us weak? All mosquitoes don't suck blood!! It may surprise people to learn that adult male and female mosquitoes feed on nectar as a food source, while larvae survive on plant and animal matter in water. It is only the female that will bite humans to obtain a blood meal, which she uses to produce eggs. Why do mosquitoes suck our blood? Adult female mosquitoes bite hosts to get the protein they need to produce and lay eggs.Female mosquitoes have a mouthpart made to pierce skin and siphon off blood. As a biting mosquito fills itself with blood, it injects saliva into your skin. Proteins in the saliva trigger a mild immune system reaction that results in the characteristic itching and bump. Males lack this blood-sucking ability because they don't produce eggs and so have no need for protein in blood. Male mosquito feeding on nectar How much blood do we lose? ...