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Ouch-
Body Defense and Repair

An interview with biologist Doug Lake from the Arizona State University School of Life Sciences. Dr. Biology and his co-host Ramon Santos find out how something as simple as a paper cut can put our body defense to work.

Podcast content summary and time log for
Volume 41 of Ask-a-Biologist

Co-host Ramon Santos learns about the instruments and research in Professor Doug Lake's laboratory where he is put to work preparing a buffer solution.


Key words: SOLS, body, cancer, repair, immune system.

Topic Time
Intro - 00:00
How is my body going to fix the cut on my finger? [Ramon] 02:08
Making the cut sticky - platelets 02:33
Making a scab. 03:14
Why did we put antibiotic ointment on the cut? [Dr. Biology] - bacteria 03:33
What if I couldn't put antibiotic on my cut? [Ramon] - white blood cells 04:16
What does the word "cancer" mean? [Ramon] 05:30
How do people get cancer? [Ramon] 07:38
Some people think cancer is in our DNA. 08:05
How many people have cancer? [Ramon] 08:36
Is cancer contagious? [Ramon] 09:18
Why do some people get cancer and some don't? [Ramon] 09:45
How do people know they have cancer? [Ramon] 11:02
How about using X-rays to find cancer? [Dr. Biology] 11:36
What happens to your lungs when you get cancer? 12:49
Cancer cells can escape - do they go to your ear too? [Ramon] 13:29
Can one relative pass it to another relative? [Ramon] 14:01
Does the skin of people with cancer change color? [Ramon] jaundice, melanoma 14:58
Do people with cancer lose their hair? [Ramon] chemotherapy 16:12
Does our body repair itself while we sleep? [Dr. Biology] 17:04
Are there foods you can eat to avoid cancer? [Ramon] 18:02
What are doing in your laboratory about cancer? CTL cells - attacking tumor cells. [Dr. Biology] 18:47
CTL cells can tell good cells from cancer cells. 19:45
Three questions 20:24
When did you first know you wanted be a scientist or biologist? 20:48
What would you be or do if you could not be a scientist? [Ramon] 21:25
What advice would you have for someone wanting to become a biologist? 22:06
Sign-off 22:54

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