Top Tweets for #SundayScience
Subject: Advanced Longevity Research (Sunday Edition)
Asset: Purity Peptides
Benefit: 99%+ Purity Standard
High-integrity compounds for research and scientific validation this Sunday.
Access: https://t.co/DTtGsWd1EG
#Longevity #Biohacking #Peptides #SundayScience
π¬π Sunday Science Magic at @RamanCentre, a unit of @ncsmgoi @MinOfCultureGoI Science beyond books! β‘π§ͺ
Hands-on demos, exploration & fun learning for all π#SundayScience #STEMFun #HandsOnLearning #RamanScienceCentre
Future of food safety:
π¬ Better science
π‘ Better sensing
π€ Better AI
π Better regulation
π¨βπ³ Better awareness
πΎ Traditional knowledge too (fermentation, drying, pickling)
Safe food = engineered, not accidental.
#WorldFoodSafetyDay
End of this weekβs #SundayScience
AI now entering food safety:
π€ Predict contamination
π· Detect defects visually
π‘οΈ Monitor cold chains
π Forecast spoilage
𧬠Analyze pathogen genomes
π¨ Speed recalls
Example: AI spots temperature deviation in seafood truck β reroutes inventory preemptively.
#SundayScience
One major framework: HACCP (Hazard Analysis Critical Control Points).
Not just testing finished food β identifies where hazards emerge and controls them proactively.
Prevention > inspection.
#SundayScience
Washing produce: running water removes dirt & some microbes.
Soap NOT recommended β residues hard to rinse off porous surfaces, may be ingested.
Peeling & trimming also reduce risks.
#SundayScience
Temperature rules:
β’ Fridge below ~5Β°C
β’ Hot food above ~60Β°C
β’ Reheat thoroughly
Your fridge = microbial growth-control device, not just a cabinet.
#SundayScience
Cross-contamination is a major home risk.
Raw chicken cutting board β salad veggies = pathogens transfer directly.
Heat kills microbes. Cross-contamination bypasses that protection.
#SundayScience
π§Ό Wash hands
π‘οΈ Cook thoroughly (poultry to 74Β°C/165Β°F)
βοΈ Refrigerate promptly
πͺ Avoid cross-contamination
π§ Use safe water
π
Respect storage times
Most food safety = risk reduction.
#SundayScience
Science of limits matters β but so do daily practices that prevent exposure.
What can consumers do?
Science-backed basics are powerful: π§Όπ‘οΈβοΈπͺπ§π
#SundayScience
How are tolerance limits decided?
π¬ Animal studies
π Epidemiology
π§ͺ Toxicology
π Statistical safety factors
For non-carcinogens, safety margin = NOAEL Γ· 100+. Carcinogens use different frameworks (Margin of Exposure).
#SundayScience
Even water is toxic at extreme intake. Tiny traces of many chemicals = negligible risk.
"The dose makes the poison." β Paracelsus (paraphrased)
#SundayScience
Reality check: MRLs & ADIs vary across countries β EU, US, Codex, India's FSSAI differ.
Global trade means reconciling these is an ongoing scientific challenge.
#SundayScience
Regulators therefore establish:
β
Acceptable Daily Intake (ADI)
β
Max Residue Limits (MRLs)
β
Tolerable Weekly Intake (TWI)
Not "zero risk" β but exposure unlikely to cause harm over a lifetime.
#SundayScience
Key scientific idea: "Hazard" β "risk."
Eg. A shark = hazard. Shark in your pool = risk.
Risk depends on dose, frequency, vulnerability, duration.
#SundayScience
𧬠Emerging risks: AMR, microplastics, PFAS ("forever chemicals"), climate-driven fungi, novel foods.
But evidence still evolving for some β microplastics & PFAS lack safety limits in most countries yet.
#SundayScience
𧲠Physical risks: surprisingly simple hazards.
Glass shards, metal fragments, plastic pieces, stones, bone splinters.
Factories use magnets, X-rays & metal detectors to catch these.
#SundayScience
Example: Aflatoxins β toxins from fungi on improperly stored grains, peanuts, spices.
Potent carcinogens linked to liver cancer.
Proper drying & storage matter as much as cooking.
#SundayScience
βοΈ Chemical risks: pesticides, heavy metals (lead, mercury), industrial contaminants, cleaning residues, natural toxins.
Unlike microbes, these accumulate slowly over years.
#SundayScience
Microbes grow when food = ecosystem.
π‘οΈ Warmth
π§ Moisture
π₯© Nutrients
β³ Time
Danger zone: ~5Β°Cβ60Β°C. Too long here = bacterial growth accelerates rapidly.
#SundayScience
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