user avatar
user avatar
user avatar
Marijn
  • Member for 6 years, 3 months
  • Last seen more than a month ago
32 votes
2 answers
5k views

What makes a cancer contagious?

29 votes
2 answers
8k views

Is it possible that by mutation a human could see infrared or other 'colours'?

18 votes
3 answers
2k views

What is the cause that angina pectoris is felt in your left arm?

13 votes
4 answers
6k views

Can viruses be toxic?

12 votes
1 answer
2k views

Why do animals have more heavy nitrogen and carbon than plants?

11 votes
1 answer
1k views

Are high sounds worse for your hearing than low sounds?

11 votes
3 answers
1k views

What is the definition of a mutation?

8 votes
1 answer
2k views

Does our immune system react on all bacteria?

8 votes
1 answer
6k views

Why do bananas grow curved?

8 votes
1 answer
3k views

Does a queen wasp sting also have poison?

6 votes
1 answer
260 views

Why are mammals not very often (never?) toxic?

6 votes
1 answer
286 views

Are there hybrids that emerge as a new species?

5 votes
1 answer
30k views

Why are plant cells rectangular and animal cells spherical shaped?

5 votes
1 answer
94 views

Is there a kind of 'rule' which decides whether the male of female is bigger?

5 votes
1 answer
2k views

What is the purpose of DMT in plants?

4 votes
1 answer
522 views

Are insects capable of gliding on the air with their wings spread, similar to birds?

4 votes
2 answers
161 views

Does cheese contain cells of animal stomachs?

4 votes
1 answer
164 views

If our skin is burned by the sun what causes the red color of the skin?

4 votes
2 answers
2k views

How does the mechanism which controls blood pressure in the brain work?

4 votes
1 answer
111 views

Why does the nerve action potential needs potassium?

4 votes
2 answers
9k views

Can animals also get Down syndrome?

3 votes
1 answer
512 views

Are there examples of human genes using meiotic drive?

3 votes
1 answer
658 views

Are the cells (structures) of deep sea fish different? And can they survive in shallow water?

3 votes
1 answer
59 views

Is tunneling of a proton in our DNA a cause of mutations?

3 votes
1 answer
292 views

Can men also become only bald on their legs?

3 votes
0 answers
103 views

How many various types of Memory B cells does an average person has in his body?

2 votes
1 answer
2k views

Where does the first oxaloacetate comes form in the citric acid cycle?

2 votes
1 answer
112 views

How does the hypothalamus get the information out of the blood? [closed]

2 votes
0 answers
50 views

Does our heart have to work harder in hot or cold weather?

2 votes
1 answer
3k views

When you take a very cold or hot bath how is that influencing your breath?