The Skeptics' Guide to the Universe
The Skeptics Guide #998 - Aug 24 2024
Aug 24, 2024
The hosts dive into ancient hunting strategies, exploring how early humans constructed spears to hunt mammoths. They discuss groundbreaking research on water in exoplanets and its implications for Earth. Attention turns to the MPOC virus, highlighting urgent health challenges. Exciting updates on the JUICE mission to study Jupiter and innovations in solar energy technologies capture the listeners' interest. A humorous guessing game about animal sounds adds levity before a debate over a granite formation stretches the boundaries of nature and human impact.
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Quick takeaways
- Incorporating crushed glass into potting soil improves aeration and fungal resistance, leading to faster plant growth rates.
- A newly identified lithium-rich near-Earth asteroid poses a potential solution for future battery demand but presents logistical mining challenges.
Deep dives
Benefits of Crushed Glass in Potting Soil
A recent study reveals that using a mixture of 50% crushed glass and potting soil leads to faster growth rates compared to using 100% potting soil. The incorporation of crushed glass improves soil aeration, allowing more oxygen to reach plant roots, which is essential for healthy growth. Additionally, the glass prevents fungal growth that can often occur in organic-rich potting soil. This suggests that incorporating recycled materials, such as glass, into horticulture practices can enhance the effectiveness of potting mixtures.
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