The question remains regarding whether TLR activation can bypass tolerance and induce autoimmunity, such that autoimmunity is a natural and recurring consequence of systemic infection.
Describing natural and recurring phenomenon, like seasons and the transitions between day and night, can prepare them to learn more advanced scientific concepts later.
As that happens -- as continents drift apart, as mountain ranges rise and fall, as climate patterns shift -- earthquakes, volcanoes, tsunamis, typhoons, prolonged droughts, and other natural disturbances recur, even if on an irregular and unpredictable basis. .
An interesting way of generating novel artificial proteins is to combine sequence motifs from natural proteins, mimicking the evolutionary path suggested by natural proteins comprising recurring motifs.
These repetitions made her production resemble some eternally recurring natural process.
After Haiyan, we asked ourselves why populations who live with recurring natural disaster aren't better prepared?
Here aid agencies can bring expertise and experience from other countries that suffer from recurring natural disasters and have national risk management strategies in place.
For much of that time, those same weather observers have also made detailed records about recurring natural events, like the appearance of the first spring peeper or the first witch hazel bush to bud in the fall.
Some scientists believe that natural factors like recurring oscillations in ocean surface temperature in various parts of the world may play a role in the last century's warming.
The young doctor had just returned from a month working in a country in Africa, familiar to the rest of us only through pictures of its impoverished population and news reports of recurring natural disasters and political upheavals.
