Ama
@delvey
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AMA stands for "Ask Me Anything," which is a popular internet slang term. It's often used on social media platforms, Reddit, and other online communities to invite people to ask questions on a particular topic or to an expert/expertise.
In an AMA session, the host (usually an expert or someone with unique experiences) answers questions from the audience, providing insights, sharing knowledge, and engaging in conversations. AMAs can be about anything, such as science, art, technology, or even personal stories.
Some popular platforms for AMAs include:
- Reddit (r/IAmA)
- Twitter (using the #AMA hashtag)
- Instagram Live
- YouTube Live
- Discord
If you have a specific topic or question in mind, feel free to ask me anything! I'll do my best to provide helpful and accurate information. 0 reply
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The Manta Ray’s Filtration System
Manta rays feed by capturing with their mouth a mix of seawater and plankton as they swim. The mixture strikes a filter, causing the plankton to bounce into the manta ray’s throat, where it is swallowed as food. The water keeps moving through the filter and is flushed through the manta ray’s gills. However, manta rays can filter out plankton that is much smaller than their filter openings. According to science journalist Ed Yong, this ability is “a feat that should have been impossible.”
Consider: The ray’s filtering system looks like five arches, which resemble double-sided combs. Some of the combs’ teeth, or lobes, angle forward and some backward. These lobes separate the seawater, forcing some to flow above the lobes and some to flow between the lobes, creating tiny whirlpools.
When plankton or other food particles strike the leading edge of the lobes, they rebound into the faster moving stream and end up in the ray’s throat, where they can be swallow… 0 reply
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WAS IT DESIGNED?
A Mother’s Milk“
Infant formula milk will never completely mimic human milk,” states a reference book for midwives. One of the reasons a mother’s milk is ideal for her baby is because her body changes it in a way that matches an infant’s needs.
Consider: Mother’s milk changes from the beginning to the end of each feeding session. The milk at the beginning of a feeding has more protein, vitamins, minerals, and water, whereas the milk later in the feeding has more fat, leaving the infant satisfied. Her milk even changes based on the baby’s age and the season.
In mother’s milk, the amount of some hormones, such as melatonin, peaks during the night, whereas other hormones peak during the day. Depending on the time of day, these hormonal variations promote sleepiness or alertness, which help the infant establish a sleep/wake cycle.
During the first few days after giving birth, the mother produces a yellowish milk called colostrum. Colostrum is easy to digest and is concentra… 0 reply
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