Imagine giving birth to a baby and not being able to tell for weeks whether it's a boy or a girl. That's pretty much how life rolls for pandas — a species that, we've pointed out here before, are already saddled with incredibly complicated sex lives.
On Friday, there was a baby panda born at the Smithsonian National Zoo in Washington D.C., but we don't yet know what sex the cub is. That's because male panda genitalia — both the penis and testicles — doesn't descend until after birth. It could take weeks, or months, before you can tell the cub's sex, just by looking. In the meantime, zoo staff have taken a DNA sample that will reveal the secret in 2-3 weeks.
What's particularly interesting about this, though, is that the tendency to look sort of mannequin-y at birth isn't all that rare among bear species. The sloth bears and spectacled bears have the same issue. Meanwhile, it can be hard to determine the sex of even full-grown polar bears, because their penis is retractable and their genital region (on both sexes) is so furry. Presumably, the bears have an easier time with this question than humans do.
New research on trends in adult human height over the last century confirm that, no surprise, humans are getting taller overall due to better nutrition and disease control. However according to the health science group Non-Communicable Diseases Risk Factor Collaboration (NCD-RisC), the gain in adult height varies dramatically by country. From their paper, published in […]
Between April and July, Iran’s salty Lake Urmia changed from a bright green color to a blood red. NASA’s Aqua satellite captured the image above and reported on the science behind the strange transformation. According to NASA, the periodic color change is caused by micro algae producing carotenoids that help with photosynthesis and act as […]
In the late 1960s and 1970s, the mind-expanding modus operandi of the counterculture spread into the realm of science, and shit got wonderfully weird. Neurophysiologist John Lilly tried to talk with dolphins. Physicist Peter Phillips launched a parapsychology lab at Washington University. Princeton physicist Gerard O’Neill became an evangelist for space colonies. Groovy Science: Knowledge, […]
It’s one thing to enjoy dinner at home and a nice glass of Cabernet Sauvignon with your best friend, Netflix, but it’s another thing entirely to make that meal from scratch and get that wine delivered right to your doorstep.But what if we told you there’s a way to make this possible? To keep your social life, […]
Having to pack and drag your stuff through security can put quite the damper on your vacation plans. Thankfully, we’ve got your back with one way to make traveling more painless: the Jumper Overnighter Travel Bag.This compact bag is so lightweight that you can effortlessly carry it, and fit it into any overhead compartment. But just […]
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