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This Week in The End Of The World, Dog Cat Blood Bond, Tiger Shark Attacks, Copper Causing Alzheimer’s?, Birdie Speed Limits, Gender Bender Science, Baby Eating Mommas, And Much More…
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The world, according to Isaac Asimov, gains scientific knowledge faster than society gains wisdom.
If true, we are on a trajectory of ever increasing disparity between what we have learned through science, and how we can wisely implement that knowledge through an increasingly archaic society of barbarians
While the wisdom of society may never catch up to the accelerating knowledge of science
We can at least hope that the modern day barbarian will allow science to continue its progress.
And maybe, just maybe the day will come when all wisdom is rooted in knowledge
and the barbarians tune in regularly to
This Week in Science… coming up next
Let’s start at the end… of the world
Blair’s Animal Corner
Tiger Shark attacks on the rise
Is it an odd component to climate change? Or did they only just hear about shark fin soup?
Birds know the speed limit
No, birds can’t read, but they act like living radar guns when it comes to highways in Europe.
Dog donates blood to save cat’s life
Who’s the better pet, now?!
Get a free audiobook at Audible.com!
Birds Have Speed Limits
Beetle mothers eat needy children
Take note, kids.
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I'm the host of this little science show. 
RE X and y , eggs and gametes
You were confusing eggs and gametes
Gametes are haploid – they normally contain ONLY one X OR one Y
Sperm are haploid male gametes – in humans , usually carry one X or one Y after dysjunction ( when homologs separate during meiosis)
eggs( unfertilized) can normally only carry an X (since female genotype is XX)
fertilized eggs (zygotes) are diploid (pairs of chromosomes after fertilization)
Normal zygotes can be XX ( will be female) or XY (will be male)
****
Nondysjuntion is when meiosis goes wrong and homologs don’t separate
This can result in female gametes (eggs) that are XX or 0 (called X null or only no X)
and when these are fertilized by normal gametes
with X Sperm XXX or X Zygotes
With Y sperm XXY (kleinfelters male) or Y0( Y null- nonviable because humans require X chromosome because of required genes on the X)
This is just a short bit of info…. Let me know if you need more
(I am a molecular biologist, worked in biotech for years, now teaching high school).