J.Todd
  • Member for 7 years, 5 months
  • Last seen more than a month ago
  • USA
2 answers
15 votes
58k views
2 bookmarks
How hot can a beverage get without burning the tongue?
1 answers
7 votes
16k views
2 bookmarks
My hand was stabbed with a pencil tip 10 years ago - why is the graphite still visible?
2 answers
8 votes
10k views
1 bookmarks
Can ants sense food from a long distance?
4 answers
11 votes
9k views
6 bookmarks
How did the first life form on Earth reproduce without DNA?
4 answers
4 votes
9k views
1 bookmarks
Are neural connections one-way?
4 answers
64 votes
9k views
20 bookmarks
Are there organisms with fewer than 1000 neurons?
1 answers
5 votes
5k views
5 bookmarks
Neurons with thousands of connections: where are the extra connections coming from?
8 answers
15 votes
4k views
7 bookmarks
Is there a biological mechanism for evolution encoded into our DNA?
1 answers
10 votes
4k views
3 bookmarks
How does the brain avoid feedback loops?
3 answers
3 votes
1k views
Can connections between neurons be weakened?
1 answers
2 votes
1k views
Why is your taste affected due to sinuses?
2 answers
10 votes
1k views
How are neurons / synapses "biased"?
1 answers
1 votes
944 views
2 bookmarks
Why is sexual reproduction so much more common than asexual (in macroscopic organisms)? Fundamentally, what makes it better?
5 answers
7 votes
773 views
2 bookmarks
How can I search for and find specific biology topics in scientific journals?
2 answers
4 votes
499 views
1 bookmarks
Evidence that Attention Deficit Hyperactivity Disorder (ADHD) is caused by too much cellular ATP?
1 answers
1 votes
451 views
2 bookmarks
Why is the threshold between human embryo and human fetus defined as 8 weeks after fertilization?
0 answers
2 votes
429 views
When the mind is highly active, roughly how many neurons become excited in one second?
4 answers
4 votes
285 views
1 bookmarks
Is eating cooked food an evolved behavior or rather an intelligent one, passed down via culture?
3 answers
7 votes
224 views
2 bookmarks
If my brain lost all of its activity for a moment, would my memory be gone too?
2 answers
3 votes
217 views
How does the body really react to exposure to the vacuum of space?
1 answers
1 votes
134 views
Is the brain functionally symmetrical?
1 answers
1 votes
132 views
Is the strength of presynaptic stimulus on the postsynaptic neuron affected more by the dendrites, or the cell body?
2 answers
2 votes
123 views
How many transmissions does it normally take for a neuron to reach threshold for action potential?
1 answers
2 votes
106 views
Why do floaters in the human eye appear to have a squiggly-line, tubular shape?
1 answers
4 votes
77 views
Do artificial light sources cause enough fatalities in light-attracted insect species to cause eventual extinction?
1 answers
2 votes
56 views
How isolated are different areas of the brain?
0 answers
4 votes
49 views
2 bookmarks
Is the skin of feline jungle predators protected against ants?
0 answers
1 votes
45 views
Has aloe vera been proven to help heal burned skin areas?
0 answers
1 votes
40 views
Do neurons feature a collective "resistance" to firing too often beyond the refactory period?
1 answers
2 votes
40 views
What roles do circular connection structures play in the brain?