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Science Simplified! Discussions (1,759)

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Chromosomal information does not always align with an individual's gender identity Q: Is XX always mean female and XY always male? Krishna: Things are not that easy to determine. Chromosomal information does not always al… Started by Dr. Krishna Kumari Challa	1	May 14, 2025 Reply by Dr. Krishna Kumari Challa
How to tell if a photo's fake? You probably can't! The problem is simple: it's hard to know whether a photo's real or not anymore. Photo manipulation tools are so good, so common and eas… Started by Dr. Krishna Kumari Challa	1	May 9, 2025 Reply by Dr. Krishna Kumari Challa
Why do some people get a curved back as they age and what can be done to avoid it? As we age, it's common to notice posture changes: shoulders rounding, head leaning forward, back starting to curve. You might associat… Started by Dr. Krishna Kumari Challa	1	May 7, 2025 Reply by Dr. Krishna Kumari Challa
How millions of people can watch the same video at the same time—the technology behind streaming Live and on-demand video constituted an estimated 66% of global internet traffic by volume in 2022, and the top 10 days for internet t… Started by Dr. Krishna Kumari Challa	1	May 6, 2025 Reply by Dr. Krishna Kumari Challa
Science can tell what constitutes the beauty of a rose! Some artists think that scientists can't see the beauty of this universe. They just destroy things in order to study but can't really find… Started by Dr. Krishna Kumari Challa	2	May 6, 2025 Reply by Dr. Krishna Kumari Challa
Are science communicators hostile? Q: Why are there so many "science communicators" so hostile against space colonization, transhumanism, posthumanism etc? And why do they sa… Started by Dr. Krishna Kumari Challa	1	May 1, 2025 Reply by Dr. Krishna Kumari Challa
How can a cell become cancerous? How can a cell become cancerous? The ability of mutations to cause cancer depends on how fast they force cells to divide, researchers have… Started by Dr. Krishna Kumari Challa	1	May 1, 2025 Reply by Dr. Krishna Kumari Challa
A successful scientist means Q: Do you actually need to get high grades to be a scientist? People always talk about grasping the concept but that doesn't help people… Started by Dr. Krishna Kumari Challa	1	Apr 28, 2025 Reply by Dr. Krishna Kumari Challa
How about communicating with plants? Imagine if a plant in a farmer's field could warn a grower that it needs water? Or if a farmer could signal to plants that dry weather lie… Started by Dr. Krishna Kumari Challa	1	Apr 28, 2025 Reply by Dr. Krishna Kumari Challa
Human-made selective pressures Q: Are there any selection pressures now on human beings to evolve? Krishna: Think about this: Extreme heat associated with anthropogenic g… Started by Dr. Krishna Kumari Challa	1	Apr 27, 2025 Reply by Dr. Krishna Kumari Challa