Answer:
Knowledge, like milk, has an expiry date. That’s the key message behind Samuel Arbesman’s excellent new book The Half-life of Facts: Why Everything We Know Has an Expiration Date.
We’re bombarded with studies that seemingly prove this or that. Caffeine is good for you one day and bad for you the next. What we think we know and understand about the world is constantly changing. Nothing is immune. While big ideas are overturned infrequently, little ideas churn regularly.
As scientific knowledge grows, we end up rethinking old knowledge. Abresman calls this “a churning of knowledge.” But understanding that facts change (and how they change) helps us cope in a world of constant uncertainty. We can never be too sure of what we know.
Explanation:
Answer:
I would think so because they are all animals so they will help each other
Answer and Explanation:
The author built the article showing the strategies that Obama used in his speech to reduce his disadvantages during the presidential campaign. The speech's author shows that in addition to being a good orator, Obama was also a great writer who knew words and rhetorical and literary traits very well, being able to efficiently use allusions, resonance, duality and a strong content of ethos and pathos. .
Given this explanation and after listening to Obama's speech, we can agree with the author because it is evident that Obama's speech was very well thought out and planned as a success point in his candidacy.
