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In February 2017, live streaming was introduced to the official YouTube mobile app. Live streaming via mobile was initially restricted to users with at least 10,000 subscribers, [67] but as of mid-2017 it has been reduced to 100 subscribers. [68] Live streams support HDR, can be up to 4K resolution at 60 fps, and also support 360° video. [49] [69]
Some Hydra species, like Hydra circumcincta and Hydra viridissima, are hermaphrodites [12] and may produce both testes and ovaries at the same time. Many members of the Hydrozoa go through a body change from a polyp to an adult form called a medusa , which is usually the life stage where sexual reproduction occurs, but Hydra do not progress ...
Hydra has one bright binary star, Epsilon Hydrae, which is difficult to split in amateur telescopes; it has a period of 1000 years and is 135 light-years from Earth. [7] The primary is a yellow star of magnitude 3.4 and the secondary is a blue star of magnitude 6.7. However, there are several dimmer double stars and binary stars in Hydra.
The most common set of programming chosen by Central Time Zone stations aligned with the Big Three television networks (ABC, CBS and NBC) is to air a local newscast at 5:00 p.m., national news at 5:30 p.m., another local newscast at 6:00 p.m. and syndicated programming at 6:30 p.m., though some Fox stations that maintain a newscast schedule ...
Turritopsis dohrnii, also known as the immortal jellyfish, is a species of small, biologically immortal jellyfish [2] [3] found worldwide in temperate to tropic waters. It is one of the few known cases of animals capable of completely reverting to a sexually immature, colonial stage after having reached sexual maturity as a solitary individual.
The western portion of Hydra, with Alphard the brightest star near the centre Alphard has three times the mass of the Sun . [ 3 ] Its estimated age is 420 million years [ 8 ] and it has evolved away from the main sequence to become a giant star with a spectral classification of K3 and luminosity class III. [ 3 ]
[60] [61] Its first run discoveries included the long-sought Higgs boson, several composite particles like the χ b (3P) bottomonium state, the first creation of a quark–gluon plasma, and the first observations of the very rare decay of the B s meson into two muons (B s 0 → μ + μ −), which challenged the validity of existing models of ...
The organism itself does not have to be completely cut into separate pieces for the regeneration phenomenon to be witnessed. In fact, if the head of a planarian is cut in half down its center, and each side retained on the organism, it is possible for the planarian to regenerate two heads and continue to live. [35]