42. You might think you're pooping. That's okay. Not to get all blunt on you, but the sensation of something moving around in your butt feels a lot like having a bowl movement. During anal sex—especially the first time–it becomes hard to tell if you are or aren’t pooping. Don...
First of all,many people cut down more trees.In addition, many people have cars and drive them.Finally,many people cant save water. As a result,we must protect the environment.First,we can plant many trees and cut less trees.Whats more,we must save water.Last but not least,we should t...
The evolution of bacteria has a lot in common with higher eukaryotes such as birds and bees, said Ákos Kovács, a microbiologist at the Technical University of Denmark. Studying single-celled organisms may help scientists better understand multicellular life, he added. Kovács’s team investigates...
Once you die it only takes a few weeks for these organisms to completely dismantle your body and carry it away, until all that's left is a skeleton. Obviously your immune system is doing something amazing to keep all of that dismantling from happening when you are alive. The immune system...
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To that end, we extensively describe a variety of studies involving topics such as neurodevelopment, aging, stress, memory and homeostatic plasticity to highlight how the weakening and disconnection of synapses organically permeate the brain in so many ways as a good practice of its intrinsic ...
1. Will injectable, disease-fighting nanobots ever be a reality? 可注射的抗病纳米机器人会成为现实吗? 2. Will it be possible to create sentient robots? 是否有可能创建有感知力的机器人? 3. Is there a limit to human intelligence? 人类智力是否有极限?
But some things that are still alive lead to the putrefaction, or decomposition, of the body -- we're talking about little organisms that live in the intestines. A few days after death, these bacteria and enzymes start the process of breaking down their host. The pancreas is full of so ...
Organisms feed on “food” that’s on the surface. While this can take a few different appearances, it’s often white and either cottony or mushy looking. It’s often referred to as a biofilm and is nothing to worry about it. Some fish keepers wipe it away as it shows up, others ...
“Joe Roman knows how to handle words. In this, his latest book, he ventures afield and spins a series of great and important stories about the many surprising threads that bind together the living world. And his writing just happens to be so good that he sweeps a reader along.”―Carl...