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NEMSU Tandag - Association of Science Educators Official Page of the Bachelor of Secondary Education Major in Science Organization โ€“ College of Teacher Education, NEMSU-Main Campus

๐Ÿ˜ต๐—˜๐˜…๐—ฎ๐—บ๐—ฐ๐—ต ๐—ฆ๐—ฒ๐—ฎ๐˜€๐—ผ๐—ป๐—ฐ๐—ต ๐—ป๐—ฎ๐—ป๐—ฎ๐—บ๐—ฎ๐—ป๐—ฐ๐—ต.๐——๐—ถ๐—ฑ ๐˜†๐—ผ๐˜‚ ๐—ธ๐—ป๐—ผ๐˜„? ๐Ÿ“ The history of exams goes back nearly 2,000 years! The world's first large-sc...
11/10/2026

๐Ÿ˜ต๐—˜๐˜…๐—ฎ๐—บ๐—ฐ๐—ต ๐—ฆ๐—ฒ๐—ฎ๐˜€๐—ผ๐—ป๐—ฐ๐—ต ๐—ป๐—ฎ๐—ป๐—ฎ๐—บ๐—ฎ๐—ป๐—ฐ๐—ต.

๐——๐—ถ๐—ฑ ๐˜†๐—ผ๐˜‚ ๐—ธ๐—ป๐—ผ๐˜„?

๐Ÿ“ The history of exams goes back nearly 2,000 years! The world's first large-scale exam system was China's imperial examination, called ๐—ธ๐—ฒ๐—ท๐˜‚. Its roots trace to the Han dynasty, and it was first administered in 605 CE under the Sui dynasty to choose government officials by merit instead of birth. ๐Ÿ‡จ๐Ÿ‡ณ

But exams in public schools started much later. In 1845, in Boston, education reformer ๐—›๐—ผ๐—ฟ๐—ฎ๐—ฐ๐—ฒ ๐— ๐—ฎ๐—ป๐—ป and his allies on the Boston School Committee gave one of America's first major written exams to students, replacing the old oral questioning. He is the person most often credited with bringing written exams into public schools. ๐Ÿซ

In the Philippines, no single person brought written exams. Modern public schooling began in the American period, when ๐—”๐—ฐ๐˜ ๐—ก๐—ผ. 74 (1901) established the Department of Public Instruction. In 1925, educator ๐—ฃ๐—ฎ๐˜‚๐—น ๐— ๐—ผ๐—ป๐—ฟ๐—ผ๐—ฒ led a survey of the Philippine education system, which shaped later educational practice. ๐Ÿ“–

So the next time you shade your answer sheet, remember you are part of a tradition that is centuries old! โœ๏ธ

๐Ÿ“š Sources:

Chinese imperial examination (Kฤ“jว”), Springer journal article: https://link.springer.com/doi/10.1186/s40468-022-00201-5

New World Encyclopedia. Imperial Examinations (Keju): https://www.newworldencyclopedia.org/entry/Keju

Reese, W. J. (2013). Testing wars in the public schools: A forgotten history. Harvard University Press: https://history.wisc.edu/publications/Testing-Wars-in-the-Public-Schools-a-Forgotten-history/

Philippine Commission. (1901). Act No. 74: https://ldr.senate.gov.ph/legislative-issuance/act-no-74

Board of Educational Survey. (1925). A survey of the educational system of the Philippine Islands. Bureau of Printing: https://onlinebooks.library.upenn.edu/webbin/who/Philippines%20Board%20of%20Educational%20Survey

๐Ÿ“ธ ๐—” ๐—ง๐—ฒ๐—ฎ๐—ฐ๐—ต๐—ฒ๐—ฟ๐˜€โ€™ ๐——๐—ฎ๐˜† ๐—ฆ๐—ป๐—ฎ๐—ฝ๐˜€: The past few days have been filled with laughter, joyful moments, and appreciation. Every class...
08/10/2026

๐Ÿ“ธ ๐—” ๐—ง๐—ฒ๐—ฎ๐—ฐ๐—ต๐—ฒ๐—ฟ๐˜€โ€™ ๐——๐—ฎ๐˜† ๐—ฆ๐—ป๐—ฎ๐—ฝ๐˜€: The past few days have been filled with laughter, joyful moments, and appreciation. Every classroom was filled with songs and greetings, every hallway was full of surprises, and every teacher was celebrated and honored by their students.

The BSED Science family honors our mentors with surprises, fun moments, and heartfelt appreciation. Memories were captured, moments were shared, and smiles were everywhere. We thank our teachers for being more than just the people who stand in front of the classroom. You are also the ones who listen, guide, support, and genuinely care for your learners.

๐‘ป๐‘ฌ๐‘จ๐‘ช๐‘ฏ๐‘ฌ๐‘น, ๐‘ฐ๐‘ฒ๐‘จ๐‘พ ๐‘ต๐‘จ๐‘ด๐‘จ๐‘ต!

๐Ÿ‘ฉ๐Ÿปโ€๐Ÿซ๐Ÿ‘จ๐Ÿปโ€๐Ÿซ ๐—ช๐—˜ ๐—–๐—˜๐—Ÿ๐—˜๐—•๐—ฅ๐—”๐—ง๐—˜ ๐—ง๐—˜๐—”๐—–๐—›๐—˜๐—ฅ๐—ฆ ๐—ง๐—ข๐——๐—”๐—ฌ. ๐—ช๐—˜ ๐—”๐—ฃ๐—ฃ๐—ฅ๐—˜๐—–๐—œ๐—”๐—ง๐—˜ ๐—ง๐—›๐—˜๐—  ๐—˜๐—ฉ๐—˜๐—ฅ๐—ฌ ๐——๐—”๐—ฌ.

Forget the heart, if you want to be scientifically accurate, tell them:  "๐‘ฐ ๐’๐’๐’—๐’† ๐’š๐’๐’– ๐’˜๐’Š๐’•๐’‰ ๐’‚๐’๐’ ๐’Ž๐’š  ๐‡๐˜๐๐Ž๐“๐‡๐€๐‹๐€๐Œ๐”๐’!" โค๏ธWhile...
07/10/2026

Forget the heart, if you want to be scientifically accurate, tell them:

"๐‘ฐ ๐’๐’๐’—๐’† ๐’š๐’๐’– ๐’˜๐’Š๐’•๐’‰ ๐’‚๐’๐’ ๐’Ž๐’š ๐‡๐˜๐๐Ž๐“๐‡๐€๐‹๐€๐Œ๐”๐’!" โค๏ธ

While poets give all the credit to the chest, the real engine behind falling in love, bonding, and getting those uncontrollable butterflies is an almond-sized structure at the base of your brain: the ๐ก๐ฒ๐ฉ๐จ๐ญ๐ก๐š๐ฅ๐š๐ฆ๐ฎ๐ฌ.

Hereโ€™s why your hypothalamus is the ultimate organ of romance:

๐—ง๐—ต๐—ฒ ๐—–๐—ต๐—ฒ๐—บ๐—ถ๐˜€๐˜๐—ฟ๐˜† ๐—ฎ๐—ป๐—ฑ ๐—”๐˜๐˜๐—ฎ๐—ฐ๐—ต๐—บ๐—ฒ๐—ป๐˜
โ€ข ๐—ข๐˜…๐˜†๐˜๐—ผ๐—ฐ๐—ถ๐—ป & ๐—ฉ๐—ฎ๐˜€๐—ผ๐—ฝ๐—ฟ๐—ฒ๐˜€๐˜€๐—ถ๐—ป (The Bonding Pair): Produced right in the hypothalamus, oxytocin fuels deep trust, empathy, and emotional closeness, while vasopressin drives long-term loyalty and devotion.
โ€ข ๐——๐—ผ๐—ฝ๐—ฎ๐—บ๐—ถ๐—ป๐—ฒ (The Infatuation High): Working with the brain's reward pathways, hypothalamic signaling boosts dopamine that gives you a euphoric, addictive "can't stop thinking about you" feeling.
โ€ข ๐—š๐—ผ๐—ป๐—ฎ๐—ฑ๐—ผ๐˜๐—ฟ๐—ผ๐—ฝ๐—ถ๐—ป-๐—ฅ๐—ฒ๐—น๐—ฒ๐—ฎ๐˜€๐—ถ๐—ป๐—ด ๐—›๐—ผ๐—ฟ๐—บ๐—ผ๐—ป๐—ฒ (๐—š๐—ป๐—ฅ๐—›) (The Spark): The hypothalamus releases Gonadotropin-Releasing Hormone, initiating the hormonal cascade that triggers romantic desire and attraction.

๐—ช๐—ต๐—ฎ๐˜ ๐—ฎ๐—ฏ๐—ผ๐˜‚๐˜ ๐˜†๐—ผ๐˜‚๐—ฟ ๐—ต๐—ฒ๐—ฎ๐—ฟ๐˜?
Your racing pulse and stomach "butterflies" are just passive reactions! When you see someone you love, your hypothalamus activates your autonomic nervous system, triggering an adrenaline rush that speeds up your heart and dilates your pupils. The heart is just taking orders from the brain!

๐— ๐—ฒ๐—ป๐˜๐—ถ๐—ผ๐—ป ๐˜†๐—ผ๐˜‚๐—ฟ ๐—ต๐˜†๐—ฝ๐—ผ๐˜๐—ต๐—ฎ๐—น๐—ฎ๐—บ๐˜‚๐˜€ ๐—ฎ๐—ฐ๐˜๐—ถ๐˜ƒ๐—ฎ๐˜๐—ผ๐—ฟ ๐—ถ๐—ป ๐˜๐—ต๐—ฒ ๐—ฐ๐—ผ๐—บ๐—บ๐—ฒ๐—ป๐˜ ๐˜€๐—ฒ๐—ฐ๐˜๐—ถ๐—ผ๐—ป, ๐—ป๐—ผ๐˜„!๐Ÿ˜œ

Sources :

Harvard Medical School โ€” Love and the Brain https://hms.harvard.edu/news-events/publications-archive/brain/love-brain

National Center for Biotechnology Information (NCBI / PubMed) โ€” The Neurobiology of Love https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3931840/

Society for Neuroscience (BrainFacts.org) โ€” The Neurochemistry of Attachment and Pair-Bonding https://www.brainfacts.org/thinking-sensing-and-behaving/relationships/2019/the-neurobiology-of-love-021419

Frontiers in Human Neuroscience โ€” The Hypothalamic Control of Hormonal and Autonomic Responses in Romantic Love https://www.frontiersin.org/articles/10.3389/fnhum.2012.00088/full

๐…๐‘๐Ž๐Œ ๐ƒ๐‘๐„๐€๐Œ ๐“๐Ž ๐„๐‹๐ˆ๐†๐ˆ๐๐ˆ๐‹๐ˆ๐“๐˜๐Ÿ‘๐Ÿ“With great pride, the ๐€๐’๐„๐ƒ  congratulates Mr. ๐—”๐—ฟ๐—ท๐—ถ๐—บ ๐—ฅ. ๐—ง๐˜‚๐˜†๐—ผ๐—ฟ for passing the 2026 ๐—–๐—ฆ๐—˜-๐—ฃ๐—ฃ๐—ง: ๐—ฃ๐—ฟ...
07/10/2026

๐…๐‘๐Ž๐Œ ๐ƒ๐‘๐„๐€๐Œ ๐“๐Ž ๐„๐‹๐ˆ๐†๐ˆ๐๐ˆ๐‹๐ˆ๐“๐˜๐Ÿ‘

๐Ÿ“With great pride, the ๐€๐’๐„๐ƒ congratulates Mr. ๐—”๐—ฟ๐—ท๐—ถ๐—บ ๐—ฅ. ๐—ง๐˜‚๐˜†๐—ผ๐—ฟ for passing the 2026 ๐—–๐—ฆ๐—˜-๐—ฃ๐—ฃ๐—ง: ๐—ฃ๐—ฟ๐—ผ๐—ณ๐—ฒ๐˜€๐˜€๐—ถ๐—ผ๐—ป๐—ฎ๐—น ๐—น๐—ฒ๐˜ƒ๐—ฒ๐—น.

Your success is a product of excellence and hard work. And is worthy of the highest commendation! May this inspire you the greatest heights in service for the people.

๐—”๐—ก๐—ข ๐—ง๐—”๐—ฅ๐—”?๐—”๐—น๐—ฎ๐—ฟ๐—บ ๐—ผ๐—ป. ๐—ฆ๐—ต๐—ผ๐—ฒ๐˜€ ๐—ฟ๐—ฒ๐—ฎ๐—ฑ๐˜†. ๐—Ÿ๐—ฒ๐˜'๐˜€ ๐—ฅ๐—จ๐—ก!
06/10/2026

๐—”๐—ก๐—ข ๐—ง๐—”๐—ฅ๐—”?

๐—”๐—น๐—ฎ๐—ฟ๐—บ ๐—ผ๐—ป. ๐—ฆ๐—ต๐—ผ๐—ฒ๐˜€ ๐—ฟ๐—ฒ๐—ฎ๐—ฑ๐˜†. ๐—Ÿ๐—ฒ๐˜'๐˜€ ๐—ฅ๐—จ๐—ก!

๐„๐ƒ๐”๐‘๐”๐: ๐‘๐ฎ๐ง ๐Ÿ๐จ๐ซ ๐„๐ง๐๐ฎ๐ซ๐š๐ง๐œ๐ž

Lace up and get ready to run!

The College of Teacher Education invites everyone to take part in EDURUN: Run for Endurance on October 28, 2026, at 4:00 AM.

Letโ€™s start the day with every stride, every breath, and every step toward a stronger and healthier community.

Run with purpose. Run with endurance. See you at the starting line, Ka-Barrio!




๐Ÿ–ผ๏ธ: Lance Zander Cruz & Mitch Nyl Hinayon

๐Ÿ‘จ๐Ÿปโ€๐Ÿซ๐Ÿ‘ฉ๐Ÿปโ€๐Ÿซ๐Ÿ’
05/10/2026

๐Ÿ‘จ๐Ÿปโ€๐Ÿซ๐Ÿ‘ฉ๐Ÿปโ€๐Ÿซ๐Ÿ’

๐—›๐—ฎ๐—ฝ๐—ฝ๐˜† ๐—ช๐—ผ๐—ฟ๐—น๐—ฑ ๐—ง๐—ฒ๐—ฎ๐—ฐ๐—ต๐—ฒ๐—ฟ๐˜€โ€™ ๐——๐—ฎ๐˜† to our ๐’๐œ๐ข๐ž๐ง๐œ๐ž ๐ˆ๐ง๐ฌ๐ญ๐ซ๐ฎ๐œ๐ญ๐จ๐ซ๐ฌ! ๐Ÿงช๐Ÿ”ฌ๐’๐‚๐ˆ๐„๐๐‚๐„ is all about curiosity, discovery, balance, and sometime...
04/10/2026

๐—›๐—ฎ๐—ฝ๐—ฝ๐˜† ๐—ช๐—ผ๐—ฟ๐—น๐—ฑ ๐—ง๐—ฒ๐—ฎ๐—ฐ๐—ต๐—ฒ๐—ฟ๐˜€โ€™ ๐——๐—ฎ๐˜† to our ๐’๐œ๐ข๐ž๐ง๐œ๐ž ๐ˆ๐ง๐ฌ๐ญ๐ซ๐ฎ๐œ๐ญ๐จ๐ซ๐ฌ! ๐Ÿงช๐Ÿ”ฌ

๐’๐‚๐ˆ๐„๐๐‚๐„ is all about curiosity, discovery, balance, and sometimes a little trial and error. And our ๐ญ๐ž๐š๐œ๐ก๐ž๐ซ๐ฌ have made that journey even more meaningful.

Thank you, Maโ€™am and Sir, for patiently teaching us, answering our endless questions, and making even the hardest lessons a little easier to understand. More than just teaching us science, youโ€™ve also taught us to stay curious, keep learning, and never be afraid to make mistakes.

Your lessons may end when the class does, but the things you teach us stay with us beyond the classroom. Thank you for being part of our journey. ๐Ÿงช

And to everyone who has been a teacher in one way or another, whether inside or outside the classroom, the ๐€๐’๐„๐ƒ ๐Ÿ๐š๐ฆ๐ข๐ฅ๐ฒ would like to greet you a ๐‡๐š๐ฉ๐ฉ๐ฒ ๐–๐จ๐ซ๐ฅ๐ ๐“๐ž๐š๐œ๐ก๐ž๐ซ๐ฌโ€™ ๐ƒ๐š๐ฒ, ๐Œ๐š'๐š๐ฆ ๐š๐ง๐ ๐’๐ข๐ซ!

๐—Ÿ๐—ฒ๐—ฎ๐—น ๐—ผ๐—ฟ ๐—™๐—ฎ๐—ธ๐—ฒ? No! It's ๐—Ÿ๐—ฒ๐—ฎ๐—น's limited edition day!Happy Birthday to our ๐—”๐—ฆ๐—˜๐—— Vice Mayor, ๐—”๐—น๐—ฑ๐—ฟ๐—ฒ๐—ฑ ๐— ๐—ฎ๐—ฟ๐—ฐ ๐—ข. ๐—Ÿ๐—ฒ๐—ฎ๐—น! May your l...
04/10/2026

๐—Ÿ๐—ฒ๐—ฎ๐—น ๐—ผ๐—ฟ ๐—™๐—ฎ๐—ธ๐—ฒ?
No! It's ๐—Ÿ๐—ฒ๐—ฎ๐—น's limited edition day!

Happy Birthday to our ๐—”๐—ฆ๐—˜๐—— Vice Mayor, ๐—”๐—น๐—ฑ๐—ฟ๐—ฒ๐—ฑ ๐— ๐—ฎ๐—ฟ๐—ฐ ๐—ข. ๐—Ÿ๐—ฒ๐—ฎ๐—น! May your leadership continue to inspire and your journey will be filled with exciting possibilities. We wish you the best things in life!

๐Ÿฅ‚ ๐—›๐—ฒ๐—ฟ๐—ฒ'๐˜€ ๐—ณ๐—ผ๐—ฟ ๐—ฎ ๐—ก๐—ฒ๐˜„ ๐—ฌ๐—ฒ๐—ฎ๐—ฟ, ๐—ก๐—ฒ๐˜„ ๐——๐—ถ๐˜€๐—ฐ๐—ผ๐˜ƒ๐—ฒ๐—ฟ๐—ถ๐—ฒ๐˜€, ๐—ฏ๐˜‚๐˜ ๐˜€๐—ฎ๐—บ๐—ฒ ๐—š๐—ฅ๐—˜๐—”๐—ง ๐—Ÿ๐—˜๐—”๐——๐—˜๐—ฅ ๐—น๐—ถ๐—ธ๐—ฒ ๐˜†๐—ผ๐˜‚๐Ÿซต๐Ÿฅณ! ๐Ÿงช

29/09/2026

๐Ÿ’“ ๐—ช๐—ผ๐—ฟ๐—น๐—ฑ ๐—›๐—ฒ๐—ฎ๐—ฟ๐˜ ๐——๐—ฎ๐˜† 2026: ๐˜ฟ๐™ค๐™ฃ'๐™ฉ ๐™ˆ๐™ž๐™จ๐™จ ๐™– ๐˜ฝ๐™š๐™–๐™ฉ

World Heart Day is observed on 29 September, and the World Heart Federation leads the global campaign with its network of members. That makes today the day. This year's theme: "๐˜‹๐˜ฐ๐˜ฏ'๐˜ต ๐˜”๐˜ช๐˜ด๐˜ด ๐˜ข ๐˜‰๐˜ฆ๐˜ข๐˜ต." It Highlights that heart disease can develop with subtle or unnoticed warning signs. The campaign sits under the broader "Use Heart for Action" umbrella, which runs from 2024 to 2026.

๐–๐‡๐˜ ๐ˆ๐“ ๐Œ๐€๐“๐“๐„๐‘๐’?
Cardiovascular disease causes over 20 million deaths every year.
- It remains the leading cause of death globally, yet many cases can be prevented or delayed by addressing risk factors.
- Fewer than 20 countries have a standalone national plan to tackle it.

๐“๐ก๐ซ๐ž๐ž ๐ฐ๐š๐ฒ๐ฌ ๐ญ๐จ ๐š๐œ๐ญ:
1. ๐—ฅ๐—ฒ๐—ฐ๐—ผ๐—ด๐—ป๐—ถ๐˜€๐—ฒ ๐˜๐—ต๐—ฒ ๐˜€๐—ถ๐—ด๐—ป๐˜€:Learn the possible symptoms and don't delay a medical assessment.
2. ๐—ฃ๐—ฟ๐—ผ๐˜๐—ฒ๐—ฐ๐˜ ๐˜†๐—ผ๐˜‚๐—ฟ ๐—›๐—ฒ๐—ฎ๐—ฟ๐˜: Address risk factors and improve daily habits. That includes managing blood pressure and diabetes and avoiding to***co.
3. ๐—ฃ๐˜‚๐˜€๐—ต ๐—ณ๐—ผ๐—ฟ ๐—ฏ๐—ฒ๐˜๐˜๐—ฒ๐—ฟ ๐—ฐ๐—ฎ๐—ฟ๐—ฒ: Support stronger heart-health services and policies.

๐“๐จ๐๐š๐ฒ'๐ฌ ๐ฌ๐ฆ๐š๐ฅ๐ฅ ๐ฌ๐ญ๐ž๐ฉ:Book a check-up, learn your blood pressure and cholesterol numbers, or take a brisk 20-minute walk. Small habits add up.

This post is for general awareness and isn't medical advice. If you have chest pain or other concerning symptoms, seek medical care promptly.

๐‘๐ž๐Ÿ๐ž๐ซ๐ž๐ง๐œ๐ž๐ฌ:

Pace Hospitals, "World Heart Day, 29 September 2026": https://www.pacehospital.com/world-heart-day

Vajiram & Ravi, "World Heart Day 2026, Theme, Date, CVDs": https://vajiramandravi.com/current-affairs/world-heart-day-2026/

Yatharth Hospitals, "World Heart Day 2026: Theme, Importance & Heart Health Tips": https://www.yatharthhospitals.com/blogs/world-heart-day

European Commission, Public Health, "World Heart Day Event": https://health.ec.europa.eu/events/world-heart-day-event-2026-09-25_en

๐—–๐—ต๐—ฟ๐—ผ๐—บ๐—ถ๐˜‚๐—บ (Cr) is a chemical element with atomic number 24, a hard transition metal known for its corrosion resistance an...
29/09/2026

๐—–๐—ต๐—ฟ๐—ผ๐—บ๐—ถ๐˜‚๐—บ (Cr) is a chemical element with atomic number 24, a hard transition metal known for its corrosion resistance and its use in stainless steel and metal plating. ๐—”๐—บ๐—ฒ๐—ฟ๐—ถ๐—ฐ๐—ถ๐˜‚๐—บ (Am), with atomic number 95, is a synthetic radioactive element belonging to the actinide series.

Although Cr and Am do not chemically combine simply because their symbols are placed together, their element symbols happen to spell โ€œCRAMโ€, giving chemistry a surprisingly accurate representation of what study habits most students: combine whatever elements they have left and hope for the best.

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