What's the difference between a slug, a sea slug, and a nudibranch? | AskScience Blog

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Monday, February 28, 2022

What's the difference between a slug, a sea slug, and a nudibranch?

What's the difference between a slug, a sea slug, and a nudibranch?


What's the difference between a slug, a sea slug, and a nudibranch?

Posted: 28 Feb 2022 01:53 PM PST

Why do emu have calf muscles when no other ratites or birds do?

Posted: 28 Feb 2022 01:24 PM PST

What categorizes something as oil? Crude oil and olive oil are oils, but why not bees wax?

Posted: 28 Feb 2022 01:01 PM PST

Looking at the molecular structures of all three and their properties, there look to be similarlies but obviously huge differences.

I'm just wondering how we classify things as oils and what are the criteria.

Crude oil clearly isn't "fat with unsaturated fatty acid chains" as most cooking oils would be described.

submitted by /u/PolskiOrzel
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Can every non-metallic element eventually become metallic (Like Metallic Hydrogen) at high enough pressures?

Posted: 28 Feb 2022 08:06 AM PST

So, I've randomly found out about metallic hydrogen and about how it forms metallic compounds ad 425GPa of pressure, so I'm wondering if any other (or even every other) non metal could do the same thing.

submitted by /u/GeneraleArmando
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How does the current rate of Ocean Acidification & Effect on Marine Ecosystems compare to that of the K-T Extinction & Permian-Triassic Extinction events?

Posted: 28 Feb 2022 11:47 AM PST

I have heard that oceans have acidified on average by 0.1 units on a logarithmic scale from 8.25-8.1 in the past century, with a potential further Ph decrease to 8.0-7.7 by 2100. At the same time, it is known that the current rate of Acidification is approximately 100x greater than typical rates of Ph change.

Taking into account the greater Ph changes in higher-latitude waters and the known biological effects of decreased Ph on different organisms, how does the current Ocean Acidification due to Fossil Fuel emissions compare to that of previous extinction events?

submitted by /u/wiz28ultra
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Is my nervous system identical to someone else?

Posted: 28 Feb 2022 01:38 PM PST

Like if a specific neuron is exactly in the same place as another neuron that's exactly the same.

submitted by /u/Bruhmella_offical
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Is there a definition for bloating?

Posted: 28 Feb 2022 04:29 AM PST

I hear people talk about being bloated and it seems kind of vague. Is it gas in the upper GI tract, gas in the lower GI tract, feeling full, feeling fat, or what?

submitted by /u/woburnite
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Are there any pharmacodynamic interactions between fluvoxamine and atomoxetine?

Posted: 28 Feb 2022 07:52 AM PST

I tried looking it up online but i couldn't find it myself, only pharmacokinetic interactions, which were very useful to find.

Thank you for helping.

submitted by /u/Ahmed_Reshah
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What decides the shape and branching of the part which holds the grapes?

Posted: 28 Feb 2022 07:06 AM PST

I recently ate grapes and a question crossed my mind. What decides at which angle and distance from each other, does different branches emerge of the part that holds the grapes? Is it the genes or what? Because I don't get these type of genes would evolve.

submitted by /u/AlterEgo_of_NoOne
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