Female of the Species Really Is More Deadly—If You're a Toxic Newt
Scientists discovered that toxins seeping through the skin of newts found in the Pacific are more powerful in females.
Source: newsweek.com
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Female Taricha newts are more poisonous than males
Tetrodotoxin is more than a poison. It may also be a mating signal.
Source: yahoo.com
Female toxin-producing newts are surprisingly
<p>Newts of the genus <em>Taricha </em>produce tetrodotoxin, a powerful neurotoxin. Previously, scientists thought this was purely a chemical defense against predators, but they didn’t know how it was produced or how it might vary between males and females — important information for understanding the toxin’s functions. Researchers sampled wild newts to test for differences between the sexes and how these might vary over the breeding season. They found that females have consistently higher levels of toxins than males.</p>
Source: eurekalert.org
Female Taricha newts are more poisonous than males
Tetrodotoxin is more than a poison. It may also be a mating signal.
Source: popsci.com
'There's still beauty': a national park bounces back after California's biggest single fire | Wildfires
The recovering ecosystem of Lassen Volcanic national park offers lessons on how to protect public lands in a climate crisis era
Source: theguardian.com