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Monday, June 23, 2008
แมงมุมตีอก...โชคลางหรือธรรมชาติ
By Joeadmin @ 3:13 PM :: 4742 Views :: Article Rating :: วิทยาศาสตร์รอบตัว(จาก สสวท.)
 

    ท่านเคยได้ยินเรื่องแมงมุมตีอกไหมครับ แมงมุมที่บางครั้งเกาะหรือเดินอยู่ตามฝาผนังบ้านเรา บางครั้งเกิดอะไรขึ้นมาก็ไม่รู้ ตีอกเข้ากับผนังผึงๆ คนโบราณบอกว่าเกิดเหตุแบบนั้นเมื่อใดก็จะมีเหตุร้ายเกิดขึ้นในบ้าน  หรือกับคนในบ้านนั้น อาจจะถึงกับเสียชีวิต แมงมุมตีอกก็เลยกลายเป็นลางร้ายที่หลายคนกลัวมาก

    แต่ความจริงแล้วไม่ใช่ลางร้ายอะไรเลยครับ แมงมุมที่ตีหน้าอกตัวเองกับกำแพงหรือผนังเพื่อให้เกิดเสียงดังนั้น เป็นพฤติกรรมธรรมชาติในการข่มขวัญศัตรูหรือภัยคุกคาม เพราะแมงมุมเป็นสัตว์ขนาดเล็ก ส่วนใหญ่ไม่มีอาวุธอะไรที่จะไปต่อสู้ (ยกเว้นแมงมุมบางชนิดที่มีพิษร้ายแรง) เมื่อเห็นสิ่งแปลกปลอมเยี่ยมกรายเข้ามา ก็จะเอาตัวเองกระแทกกับฝาไม้ เพื่อให้เกิดเสียงดังข่มขวัญศัตรู ศัตรูจะได้ลังเลและไม่เข้ามาทำร้าย

    อาการตีอกจึงเป็นเพียงสัญชาตญาณของแมงมุม ซึ่งเป็นสัตว์โลกชนิดหนึ่งที่รักชีวิตของตนเหมือนกับมนุษย์เท่านั้นเอง

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