is it possible that an ancestor of a species has more or less chromosomes? |
- is it possible that an ancestor of a species has more or less chromosomes?
- Why does the cone-shaped flaring out of brass instruments make the sound louder?
- Do female and male brains develop at the same rate?
- If someone has their ovaries removed as part of a hysterectomy, does that mean they can never get ovarian cancer?
- What makes the lumps in cauliflower ear become solid?
- Do all planets have an iron core?
- Why can’t non-ferrous metals be carburized?
- How are freshwater cetaceans (specifically thinking about the Ganges and Amazon river dolphin) related?
- What are the biggest obstacles in 3D printing human tissue or organs?
- Why is deoxyhaemogloblin abbreviated as HbR? What does the R stand for?
- Does the soldier caste of an ant colony participate in the hunt for for food?
- Why don't humans have the same amount of control over individual toes as we do over fingers?
- what is the most environmentally friendly way to dispose of our dead?
| is it possible that an ancestor of a species has more or less chromosomes? Posted: 14 May 2022 10:15 AM PDT I was wondering about how the amount of chromosomes were affected by evolution. Like is it possible that one ancestor has more chromosomes or less chromosomes? So basically: how does the amount of chromosomes correlate to evolution? [link] [comments] |
| Why does the cone-shaped flaring out of brass instruments make the sound louder? Posted: 14 May 2022 09:19 PM PDT All brass instruments (and some others) seem to have a cone-shaped flaring to make the sound louder? As well as old record players. What is the reason for this? [link] [comments] |
| Do female and male brains develop at the same rate? Posted: 14 May 2022 09:12 PM PDT I've tried looking it up on Google but I couldn't find a clear result. I was wondering if anyone knew if male and female brains fully develop at the same age or if one develops sooner than the other. [link] [comments] |
| Posted: 14 May 2022 04:54 PM PDT Or is it possible ovarian cancer cells could already be in the body and manifest in another organ? [link] [comments] |
| What makes the lumps in cauliflower ear become solid? Posted: 14 May 2022 06:29 PM PDT Is it scar tissue or a buildup of extra cartilage that fills the area? The puffy, traumatized area is soft & a bit squishy in the fist stages, but it solidifies later on. [link] [comments] |
| Do all planets have an iron core? Posted: 14 May 2022 03:51 PM PDT Additional related question: Can a planet have a core of molten nickel or some other metal? [link] [comments] |
| Why can’t non-ferrous metals be carburized? Posted: 14 May 2022 07:10 AM PDT |
| Posted: 14 May 2022 04:22 PM PDT Something that just popped into my head was how morphologically similar the Ganges and Amazon river dolphins are. Is it due to analogous evolution, or do they simply share a somewhat recent common ancestor? [link] [comments] |
| What are the biggest obstacles in 3D printing human tissue or organs? Posted: 14 May 2022 03:48 AM PDT |
| Why is deoxyhaemogloblin abbreviated as HbR? What does the R stand for? Posted: 14 May 2022 01:37 PM PDT In a lot of scientific literature, oxyhaemoglobin is abbreviated as HbO, which makes complete sense (Hb for haemoglobin, O for oxy). Does anyone know what the R stand for in HbR? [link] [comments] |
| Does the soldier caste of an ant colony participate in the hunt for for food? Posted: 14 May 2022 01:15 AM PDT I vaguely remember learning at school that soldier ants's sole job is to guard the colony and literally nothing else. But now that I think about it, arent they a bit more suitable at wounding and killing thanks to their larger size and more powerful mandibles? Plus they usually follow the workers whenever they go out foraging for food anyways to guard them. Doesnt make sense that this bigger, stronger ant wouldnt at least help out. [link] [comments] |
| Why don't humans have the same amount of control over individual toes as we do over fingers? Posted: 14 May 2022 02:26 AM PDT Mechanically they seem very similar. Is there a downside to having individually controllable toes? I love grabbing socks off the floor with them, but I don't seem to manage complex tasks 😀 [link] [comments] |
| what is the most environmentally friendly way to dispose of our dead? Posted: 13 May 2022 10:57 PM PDT Burial? Composting? Wood pyre burn? Tossing into the middle of the sea? I'm assuming electric cremation is out. But honestly curious what the best choice would be with so many options. [link] [comments] |
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