/u/JoelWHarper's posts in /r/askscience

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Is the human immune system basically the same as other mammals, or does it have any adaptations unique to us?

3973 upvotes

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Can planets orbit twin star systems?

3514 upvotes

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If you catch a cold, is there an easy way to know or guess which virus is causing it?

1506 upvotes

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What's the most complex parasite life cycle that we know of?

76 upvotes

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Are there any predators or parasites that feed on intestinal worms, when they're in the intestines?

34 upvotes

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Are there any examples of animals keeping other animals as pets?

19 upvotes

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Are there any plants or animals that don't catch diseases?

14 upvotes

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Are there viruses that can infect both humans and bacteria?

13 upvotes

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When people get 'pox' like viruses, (eg chicken pox, smallpox) are the spots capable of causing infections?

6 upvotes

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How is the delta COVID-19 variant able to push out and replace others?

2 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Is the human immune system basically the same as other mammals, or does it have any adaptations unique to us?	3973
Can planets orbit twin star systems?	3514
If you catch a cold, is there an easy way to know or guess which virus is causing it?	1506
What's the most complex parasite life cycle that we know of?	76
Are there any predators or parasites that feed on intestinal worms, when they're in the intestines?	34
Are there any examples of animals keeping other animals as pets?	19
Are there any plants or animals that don't catch diseases?	14
Are there viruses that can infect both humans and bacteria?	13
When people get 'pox' like viruses, (eg chicken pox, smallpox) are the spots capable of causing infections?	6
How is the delta COVID-19 variant able to push out and replace others?	2