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Moths and Enemy Sonar
Luna Moth BE5506
"The camouflage and mimicry techniques that animals use to avoid becoming a meal aren't much use against a predator using echolocation. But a new study shows that moths can outsmart sonar with a flick of their long tails. Using high-speed infrared cameras and ultrasonic microphones, the researchers watched brown bats preying on moths. Luna moths with tails were 47 percent more likely to survive an attack than moths without tails. Bats targeted the tail during 55 percent of the interactions, suggesting the moths may lure bats to the tails to make an attack more survivable." - Science Daily, University of Florida, February 18, 2015, Moths shed light on how to fool enemy sonar View more images of luna moths
Half of the Great Barrier Reef has died since 2016 and scientists say it's a direct result of climate change.
Coral lives in a symbiotic relationship with algae. Algae converts energy from the sun into food that feeds and nourishes the coral. When water temperatures rise the algae vacates, causing the coral to 'bleach' and eventually die. The results can be devastating. The bleaching spreads across miles of reef, transforming once spectacular ecosystems into barren wastelands.See Stock Images of the Reef
"People often ask me, will we have a Great Barrier Reef in 50 years or 100 years?" says Terry Hughes, the director of the ARC Center of Excellence for Coral Reef Studies. "And my answer is, yes, I certainly hope so – but it's completely contingent on the near-future trajectory of greenhouse-gas emissions."
Marine Phone Case
The Paris climate agreement of 2015 set a goal to prevent the globe from warming by two degrees Celsius. Since the Industrial …
Beach weather gives us the opportunity to get outdoors, enjoy the fresh air, and soak up some Vitamin D, but also brings concerns about excessive sun exposure. With stronger and more frequent sun comes a higher risk for skin to be damaged by UV rays, making the body more susceptible to skin cancer.
Skin cancer is one of the most common types of cancer. The Skin Cancer Foundation states that more people are diagnosed with skin cancer each year in the U.S. than all other cancers combined. The cause is most often UV rays from the sun or tanning beds. Skin cancer is generally categorized into two groups, melanoma, and nonmelanoma.
Melanoma cancer begins in melanocytes, which are cells that produce skin pigment (melanin) and reside deep within the epidermis (the outer layer of the skin). Melanoma is known to often be more serious than nonmelanoma cancer because it has the tendency to advance and spread rapidly. The number of new melanoma cases are also on the rise. That being said, the ea…