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Are Neanderthals and Denisovans descendants or relatives of modern humans? And where did each lineage start?

Submitted by bigsuperdave44 t3_yxioim on November 17, 2022 at 6:22 AM

9 comments

Are there any known cross-kingdom diseases?

Submitted by Teri_Windwalker t3_yuofps on November 14, 2022 at 4:09 AM

9 comments

Does the formation of bonds mean a chemical reaction has occurred?

Submitted by Effective-Night-2646 t3_z4w7xm on November 26, 2022 at 3:00 AM

9 comments

How do we know that reducing mosquito populations (such as by introducing genetically engineered ones) won't end up collapsing an important part of the food chain?

Submitted by BeefTeaser t3_z2ymie on November 23, 2022 at 7:49 PM

9 comments

How do oncolytic viruses recognize cancer cells from regular cells? And how useful are they really?

Submitted by FilterNotWorking t3_z3r42s on November 24, 2022 at 6:28 PM

9 comments

Does the size of a star affect the size of the planets that can form around it?

Submitted by Mithrandhir22 t3_z5pt7p on November 27, 2022 at 3:03 AM

9 comments

Can we tell whether the bonds in a molecule are polar or nonpolar just by knowing the dipole moment of these molecules?

Submitted by Hidden-Felon t3_ym6g13 on November 4, 2022 at 6:27 PM

9 comments

Why does resting heart rate lower as people get fitter?

Submitted by CanGroundbreaking814 t3_ylgnyq on November 3, 2022 at 10:26 PM

9 comments

Why does the denser oceanic crust subduct when converging with a continental crust?

Submitted by MirMirss t3_ykxgcu on November 3, 2022 at 9:37 AM

9 comments

Why do some allergens (e.g. certain pollens) cause mild allergic reactions, but others (e.g. nuts, bee venom) cause life-threatening reactions?

Submitted by com2420 t3_ykr1dg on November 3, 2022 at 3:27 AM

9 comments

119

Why are lice so species-specific?

Submitted by _teadog t3_ykotiz on November 3, 2022 at 1:42 AM

9 comments

146

Does hearing loss affects noise thresholds for future hearing loss?

Submitted by I_am_Mind_Wanderer t3_yk064n on November 2, 2022 at 9:10 AM

9 comments

Does preventing evaporation on canals and reservoirs increase the ambient dryness/negative environmental impact overall over the long term?

Submitted by safdwark4729 t3_z7yaez on November 29, 2022 at 4:14 PM

9 comments

Gas chromatography: Ethyl butyrate peaks earlier than 1-propanol?

Submitted by Early_Shake_1810 t3_y7sjyh on October 19, 2022 at 4:17 AM

9 comments

Why are 93% of American ALS patients white/caucasian?

Submitted by [deleted] t3_y4kj59 on October 15, 2022 at 10:33 AM

9 comments

How does depth perception work with one eye compared to two eyes?

Submitted by [deleted] t3_y4gjwt on October 15, 2022 at 6:29 AM

9 comments

How does your body know where to heal?

Submitted by JavaScriptBest t3_y4eniz on October 15, 2022 at 4:38 AM

9 comments

Would we expect other planets to have recognizable rocks?

Submitted by Toorelad t3_ye35gl on October 26, 2022 at 5:03 PM

9 comments

Can electromagnetic Waves like light, X-Ray, infrared and so on, interact with each other, like Soundwaves can?

Submitted by Hairy-Ad-3620 t3_y1kwlm on October 11, 2022 at 9:25 PM

9 comments

Is it possible to have a long molecule composed entirely of only one same element?

Submitted by [deleted] t3_y1dq3s on October 11, 2022 at 4:39 PM

9 comments

When did blood type AB first evolve?

Submitted by Novel_Estimate_3845 t3_xyllm9 on October 8, 2022 at 6:37 AM

9 comments

What does the yoke on Boeing planes do while landing?

Submitted by roscian1 t3_yexfqd on October 27, 2022 at 5:07 PM

9 comments

Does Low earth orbit pass through the same point every time?

Submitted by Passeride t3_xw9p7n on October 5, 2022 at 12:45 PM

9 comments

Are urban environments "noisy" at ultrasound frequency ranges? If they are, does this cause problems for animals that can hear in these frequencies?