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"Life," the New "Planet Earth," Premieres Sunday, 8pm

Premiering Sunday (March 21) at 8pm on the Discovery Channel in the US: Life, a new documentary miniseries from the producers of Planet Earth. Set your DVRs now!

Back in 2006, we were treated to Planet Earth, a BBC/Discovery Channel coproduction which was the most expensive nature documentary series ever commissioned by the BBC, and the first shot in full HD. It was a groundbreaking series, and for good reason -- four years of hard filming brought us spectacular photography and compelling narratives, making every one of its eleven episodes memorable. Now, four years later, the team is back with Life, a series that promises more of the same -- and boy, does it deliver. It took 70 camerapeople in 50 countries to shoot this thing. Here's the trailer:

Now, let me back up for a minute and talk about how documentary reviewing works, at least for me as a blogger. Media outlets (in my case, PBS and several science-related cable channels) send me their upcoming schedules, and I pick out shows that might interest the mental_floss audience. I ask for "screeners" (generally hand-burned DVDs, often not the final versions of the shows) which then arrive in the mail with a brief info packet, or a link to some website with PR info. I watch the DVD, and if I think it's good, I write about it. To be honest, a lot of the time the material isn't good enough to write about, and that's that. On those happy occasions when the material is good, I write it up right here.

So it was a big surprise when I got the Life press kit. Normally a press kit for a documentary is a DVD (sometimes two, if it's a two-parter) with a handmade label, and a few photocopied sheets of press info. Everything is stamped with "for press review only," has no commercial value, and so on. But the Life press kit is basically a gigantic coffee-table book with an embedded video playing device -- yes, a video screen inside the book, with speakers -- and screeners available both in DVD and Blu-ray. (See video of the kit here.) As soon as I saw the kit, I was suspicious: the kit was so elaborate that I thought either a) the film isn't that great, so it needs massive PR help; or b) the film is SUPER GREAT and Discovery is so psyched about it that they went a little nuts on the PR front. I'm pleased to announce that it's the latter -- actually watching five hours of the show (including some on Blu-ray), it is absolutely spectacular, and very much in the vein of Planet Earth. This is, hands-down, the best nature documentary you're going to see this year. It appears that the press kit is a further reflection of the focus on new technology and obsession with quality that went into the making of Life, like Planet Earth before it.

The Good News

All of the good qualities of Planet Earth are back: top-notch photography, full HD, lots of slow-motion (2,000fps, according to some producer interviews), excellent editing, and in every episode some new creature you've never heard of, doing unbelievable (and often nearly unfilmable) things. I was often left wondering how particular shots were done -- but I began to ignore that as I got sucked into the drama of events unfolding on-camera. See, Life is about living creatures, while Planet Earth was nominally about habitats (although it then focused on the creatures that live in those places, and how they've adapted -- really, the same thing is going on here, but the conceit has shifted to be animal-focused rather than habitat-focused).

For Life, the producers have found all sorts of bizarre stuff -- toads that roll into a ball and jump off cliffs to avoid being eaten by giant spiders, fish that live in underwater/underground tunnels, komodo dragons that kill water buffalo, monkeys who use tools to crack nuts. It's awe-inspiring. Here's a clip from the Reptiles & Amphibians episode -- note that this isn't the balling-up toad I mentioned; that one is shown later in the episode (yes, they found two different types of toad who use different leaping-from-heights techniques to avoid death):

Another huge bit of good news is that the HD really, really matters here. I watched several episodes on DVD and thought, yeah, that looks really good -- but then I saw one on Blu-ray and was blown away. This material shines in HD, finally giving you a good reason to have that expensive HD cable package and fancy TV.

Also, the series is family-friendly, at least for kids who are old enough to withstand scenes of animals in danger and some "light carnage" in the wild. While there are scenes of animal courtship (especially fish and birds), as well as plenty of animals eating each other, in general I think this is very appropriate for family viewing. The producers definitely have you on the edge of your seat, wondering who lives and who dies. I won't ruin it by telling you what happens -- but I will say that yes, some animals do die on-camera.

The Bad News

Like Planet Earth, Life uses different narrators for the Discovery and BBC versions. The BBC version features David Attenborough, and the Discovery version featured Oprah Winfrey. (Planet Earth used Sigourney Weaver in the US.) There was a lot of controversy and moaning about this last time around -- why not just have one narrator for both markets? (And why not have that narrator be Attenborough?) Having watched Planet Earth with both narrators and Life with just Winfrey, I have to say that Attenborough is awesome, though Winfrey isn't bad. The narrator thing isn't a dealbreaker, though I know many fans wait until the Attenborough version is available on Blu-ray to purchase the series. (I did that for Planet Earth, and plan to do so again.)

The only other complaint I can muster is that some of the material is just your typical nature documentary -- but shot in HD by some of the best photographers in the world. It's hard to say this is really a fault, but you do sometimes get into a state of overload, having seen some absurdly amazing scene of animals doing something you never expected them to do (a good example is the dolphins who create a "mud ring" to catch fish) -- after that, anything would seem plain. But so far, all the episodes I've seen have featured multiple "holy crap" moments, which make them very much worth watching. So my point is: expect a mixture of the astounding and the merely excellent; the latter bits are when you can go get more snacks.

Summary

Life is exactly what I think it should be: a continuation of Planet Earth in style, material, and quality. Given that Planet Earth was incredibly beautiful and wildly popular, you've got eleven hours of quality programming here. Add that to your Planet Earth Blu-ray set, and you've got a heck of a way to spend your weekend.

To whet your appetite further, here's a video of the producers discussing various "firsts" in the series:

Life premieres this Sunday, March 21, at 8pm on Discovery in the US. Two episodes are shown back-to-back, and another two-hour block airs a week later. Check out the full schedule on Discovery's Life site. Life has already been shown on the BBC (late in 2009), so if you want more info on specific episodes, check out that link for Wikipedia's rundown on the BBC version.

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Space
More Details Emerge About 'Oumuamua, Earth's First-Recorded Interstellar Visitor
 NASA/JPL-Caltech
NASA/JPL-Caltech

In October, scientists using the University of Hawaii's Pan-STARRS 1 telescope sighted something extraordinary: Earth's first confirmed interstellar visitor. Originally called A/2017 U1, the once-mysterious object has a new name—'Oumuamua, according to Scientific American—and researchers continue to learn more about its physical properties. Now, a team from the University of Hawaii's Institute of Astronomy has published a detailed report of what they know so far in Nature.

Fittingly, "'Oumuamua" is Hawaiian for "a messenger from afar arriving first." 'Oumuamua's astronomical designation is 1I/2017 U1. The "I" in 1I/2017 stands for "interstellar." Until now, objects similar to 'Oumuamua were always given "C" and "A" names, which stand for either comet or asteroid. New observations have researchers concluding that 'Oumuamua is unusual for more than its far-flung origins.

It's a cigar-shaped object 10 times longer than it is wide, stretching to a half-mile long. It's also reddish in color, and is similar in some ways to some asteroids in own solar system, the BBC reports. But it's much faster, zipping through our system, and has a totally different orbit from any of those objects.

After initial indecision about whether the object was a comet or an asteroid, the researchers now believe it's an asteroid. Long ago, it might have hurtled from an unknown star system into our own.

'Oumuamua may provide astronomers with new insights into how stars and planets form. The 750,000 asteroids we know of are leftovers from the formation of our solar system, trapped by the Sun's gravity. But what if, billions of years ago, other objects escaped? 'Oumuamua shows us that it's possible; perhaps there are bits and pieces from the early years of our solar system currently visiting other stars.

The researchers say it's surprising that 'Oumuamua is an asteroid instead of a comet, given that in the Oort Cloud—an icy bubble of debris thought to surround our solar system—comets are predicted to outnumber asteroids 200 to 1 and perhaps even as high as 10,000 to 1. If our own solar system is any indication, it's more likely that a comet would take off before an asteroid would.

So where did 'Oumuamua come from? That's still unknown. It's possible it could've been bumped into our realm by a close encounter with a planet—either a smaller, nearby one, or a larger, farther one. If that's the case, the planet remains to be discovered. They believe it's more likely that 'Oumuamua was ejected from a young stellar system, location unknown. And yet, they write, "the possibility that 'Oumuamua has been orbiting the galaxy for billions of years cannot be ruled out."

As for where it's headed, The Atlantic's Marina Koren notes, "It will pass the orbit of Jupiter next May, then Neptune in 2022, and Pluto in 2024. By 2025, it will coast beyond the outer edge of the Kuiper Belt, a field of icy and rocky objects."

Last week, University of Wisconsin–Madison astronomer Ralf Kotulla and scientists from UCLA and the National Optical Astronomy Observatory (NOAO) used the WIYN Telescope on Kitt Peak, Arizona, to take some of the first pictures of 'Oumuamua. You can check them out below.

Images of an interloper from beyond the solar system — an asteroid or a comet — were captured on Oct. 27 by the 3.5-meter WIYN Telescope on Kitt Peak, Ariz.
Images of 'Oumuamua—an asteroid or a comet—were captured on October 27.
WIYN OBSERVATORY/RALF KOTULLA

U1 spotted whizzing through the Solar System in images taken with the WIYN telescope. The faint streaks are background stars. The green circles highlight the position of U1 in each image. In these images U1 is about 10 million times fainter than the faint
The green circles highlight the position of U1 in each image against faint streaks of background stars. In these images, U1 is about 10 million times fainter than the faintest visible stars.
R. Kotulla (University of Wisconsin) & WIYN/NOAO/AURA/NSF

Color image of U1, compiled from observations taken through filters centered at 4750A, 6250A, and 7500A.
Color image of U1.
R. Kotulla (University of Wisconsin) & WIYN/NOAO/AURA/NSF

Editor's note: This story has been updated.

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Scientists Analyze the Moods of 90,000 Songs Based on Music and Lyrics
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iStock

Based on the first few seconds of a song, the part before the vocalist starts singing, you can judge whether the lyrics are more likely to detail a night of partying or a devastating breakup. The fact that musical structures can evoke certain emotions just as strongly as words can isn't a secret. But scientists now have a better idea of which language gets paired with which chords, according to their paper published in Royal Society Open Science.

For their study, researchers from Indiana University downloaded 90,000 songs from Ultimate Guitar, a site that allows users to upload the lyrics and chords from popular songs for musicians to reference. Next, they pulled data from labMT, which crowd-sources the emotional valence (positive and negative connotations) of words. They referred to the music recognition site Gracenote to determine where and when each song was produced.

Their new method for analyzing the relationship between music and lyrics confirmed long-held knowledge: that minor chords are associated with sad feelings and major chords with happy ones. Words with a negative valence, like "pain," "die," and "lost," are all more likely to fall on the minor side of the spectrum.

But outside of major chords, the researchers found that high-valence words tend to show up in a surprising place: seventh chords. These chords contain four notes at a time and can be played in both the major and minor keys. The lyrics associated with these chords are positive all around, but their mood varies slightly depending on the type of seventh. Dominant seventh chords, for example, are often paired with terms of endearment, like "baby", or "sweet." With minor seventh chords, the words "life" and "god" are overrepresented.

Using their data, the researchers also looked at how lyric and chord valence differs between genres, regions, and eras. Sixties rock ranks highest in terms of positivity while punk and metal occupy the bottom slots. As for geography, Scandinavia (think Norwegian death metal) produces the dreariest music while songs from Asia (like K-Pop) are the happiest. So if you're looking for a song to boost your mood, we suggest digging up some Asian rock music from the 1960s, and make sure it's heavy on the seventh chords.

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