Questions tagged [environment]

The natural world, especially pertaining to the interactions of life therein.

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65 votes
8 answers

Why does evolution not make our life longer?

Why does evolution not make life longer for humans or any other species? Wouldn't evolution favour a long life?
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24 votes
1 answer

What are the environmental conditions for SARS-CoV-2 to survive?

What do we know about the environmental limits for nCoV to survive outside the body? For example, in: In open air On surfaces In water What are the limits for temperature, humidity and air pressure,...
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9 votes
1 answer

Does rainwater contain many fewer micro-organisms than river water?

From watching many documentaries on micro-organisms, I can tell water typically contains quite a lot of them. But what about rainwater? (before it hits the ground). I know nothing about any micro-...
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5 votes
2 answers

Trick fruit trees into flowering later in the spring

There is a common problem with fruit trees in temperate climates where the trees flower before the last frost. Generally speaking, if the tree has flowered, and the temperature drops below freezing, ...
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5 votes
2 answers

Why is Homo sapiens not categorized as an invasive species?

According to Invasive Species Advisory Committee (ISAC), the definition of the invasive species is “a species that is non-native to the ecosystem under consideration and whose introduction causes or ...
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4 votes
1 answer

How quickly do estrogens break down in the environment?

Of all the synthetic hormones we use, estrogens are probably the most common. They are used for birth control as well as hormone replacement therapy. This researcher also shows that there is plenty ...
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4 votes
1 answer

Questions about "parasite recursion"

So imagine a parasite of a parasite. Imagine a parasite of that parasite. Then imagine a parasite of that parasite, then a parasite of that parasite, and so on and so forth. Is there a formal term ...
Blue314's user avatar
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2 votes
4 answers

What causes plants in the prunus genus to reach anthesis?

In a related question, I ask how to trick fruit trees into flowering later in the spring by prolonging frozen ground conditions. However, I'm starting to realize that I don't actually understand what ...
User1974's user avatar
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Why does the SARS-CoV2 virus not remain infectious forever? Or does it?

Given that the majority of biologists do not currently consider viruses to be alive, a virus can never die. It can, however, get destroyed by long exposures to soapy water, alcohol, and apparently ...
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