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August 6, 2019
WebWire
Thai Union Public PCL (Thai Union) reported a 13.1 percent increase in gross profit in the second quarter of the year, with stronger performances from the frozen seafood and PetCare and value-added product businesses. Gross profit for the period was THB 5,364 million, while the gross profit margin improved to 16.7 percent from 14.0 percent in the second quarter of 2018. The strong gross profit resulted in a stronger EBITDA at 15.4 percent compared to the same period a year earlier and an...
Kristie Neo
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DealStreetAsia
In November, the Hong Kong-headquartered firm secured a sizeable $105 million Series A round from Sinar Mas Group, Berjaya and JG Summit Holdings.
Mars Woo
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DealStreetAsia
Regional internet firm Sea Ltd announced today that it has raised a total of $1.5 billion in its upsized offering of American Depositary Shares (ADSs) in the US after selling a total of 69 million shares at $22.50 each.
Mars Woo
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DealStreetAsia
It could end up raising as much as $1.55 billion if a greenshoe option is exercised.
Joji Thomas Philip
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DealStreetAsia
The additional funding will enable the firm to double its cash and cash equivalents to over $2 billion.
Joji Thomas Philip
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DealStreetAsia
The additional funding will enable the firm to double its cash and cash equivalents to over $2 billion.
Tom Metcalf
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DealStreetAsia
The 41-year-old entrepreneur owns 13.8 percent of Singapore-based Sea, a stake now worth roughly $1 billion, according to the Bloomberg Billionaires Index.
Tim Culpan
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DealStreetAsia
Sea isn't alone in cherry-picking numbers and offering them as "adjusted" figures. Ford Motor Co. and Newell Brands Inc. take the same approach.
Research and Markets
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www.prnewswire.com:443
DUBLIN, Feb. 15, 2019 /PRNewswire/ -- The "Kuwait Freight Forwarding Market Outlook to 2022 - By Sea, Air and Road Freight Movement; By International and...
Quynh Nguyen
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DealStreetAsia
HSBC Private Banking in Singapore has announced several key appointments, including the creation of two new roles, while HP Wealth Management seeks to expand its private market capabilities.
Quynh Nguyen
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DealStreetAsia
China's biggest social media and gaming company Tencent has co-invested RMB200 million ($29.07 million) in automobile news and information provider Youche Yihou.
Wakefield Wines
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www.prnewswire.com:443
SYDNEY, 12 décembre 2018 /PRNewswire/ -- La société familiale d'Australie du Sud Wakefield Wines a aidé les amateurs de vin à commencer l'été avec le parfait...
October 6, 2018
The Economist
THE ocean is dark and full of terrors, and the black dragonfish is the darkest of them all. Its surface, new measurements reveal, is as black as the blackest material known--the result of an abyssal arms race."The trick to being really dark is to control the scattering of light," says Sönke Johnsen of Duke University, in North Carolina, who studies the dragonfish. "You have to let light into a material and let it bounce around a lot." Black velvet, for instance, appears darker than other fabrics because photons (the particles of light) skip between its fine hairs and do not escape. Similarly, Vantablack, the least reflective artificial material, traps photons in a forest of carbon nanotubes standing on their ends. It absorbs 99.965% of visible light. Objects coated in it seem to disappear, leaving behind an inky silhouette.Get our daily newsletterUpgrade your inbox and get our Daily Dispatch and Editor's Picks.Latest storiesWhy does Britain's most famous TV game show lack female faces?4 hours agoBarry Adamson's 40 years of musical brillianceProspero5 hours agoA brand new passenger jet crashes in IndonesiaGulliver5 hours agoBlasphemy bans are struck out in Ireland and reinforced in AustriaErasmus7 hours agoJair Bolsonaro will be Brazil's next presidentAmericas9 hours agoPhilip Hammond prepares for a low-key budgetBritain11 hours agoSee moreKaren Osborn of the Smithsonian National Museum of Natural History, in Washington, DC, noticed a similar effect when she tried to photograph deep-sea fish, many of which are coated in a fragile black film that has to be removed before a picture can be taken. Under a scanning electron microscope, she discovered that this film is made of millions of microscopic melanin granules shaped like drug capsules, capped by a thin gelatinous layer.The absorbing effect of the film is so great that instruments calibrated in the usual way cannot detect any light reflected from the fish at all. Dr Osborn's attempts to measure the light inside an empty pitch-black room yielded the same result. Eventually, she and her colleagues worked out that the dragonfish reflects just one in every 2,000 photons incident upon it--an absorbance of 99.95%. Similar measurements hold true for a whole range of fishes brought up from the abyss.In the deepest depths of the ocean, what light could these animals be trying to avoid? The photic zone, which is bathed in sunlight during the day, and starlight and moonlight at night, reaches down a few hundred metres. Yet blacker-than-black fish are found much deeper than that. The black dragonfish, for instance, lives up to 2,000 metres beneath the surface.The deep ocean has other sources of light than astronomical bodies, though. Three-quarters of marine organisms off the coast of California produce their own, and that is probably true in most oceans, says Steve Haddock of the Monterey Bay Aquarium Research Institute. Recently, Dr Haddock brought back the first full-colour high-definition videos of bioluminescence in the abyss. At a meeting in Monterey, in September, he offered a preview. Sea cucumbers, normally pale and beige, rippled with waves of blue bioluminescence. A shimmery gold viperfish, when disturbed by Dr Haddock's remotely operated submarine, suddenly switched its lights on, covering every detail in its skin. A jellyfish displayed swirling blue pinwheels. A brittleworm glowed yellow.Dr Haddock hopes his new submarine-borne camera will grant him a better understanding of how animals use bioluminesce in the deep. Some predators, for instance, employ glowing lures to attract prey. Others produce pulses of light to illuminate their targets--in which case, from the prey's point of view, having an invisibility cloak has obvious advantages.Some organisms use bioluminescence as a defence mechanism. Lighting up an attacker can make it more vulnerable to the attentions of others. And there are times when switching the lights on is a better camouflage than absorbing light.Watases lanternfish are generally hunted by predators that strike from below. It may seem surprising, therefore, that among the light-producing cells distributed across their bodies they have a set that point downward from their bellies towards the sea floor. They also, however, have light-sensing cells pointing upwards on their backs. At the meeting in Monterey José Paitio, of Chubu University in Japan, described how the two sets of cells work together. The dorsal ones sense the colour and intensity of light filtering downwards. The ventral ones respond to that signal, generating exactly the amount of light required to blend in, so that the fish disappears from view when seen from underneath. A truly bright idea.This article appeared in the Science and technology section of the print edition under the headline "Invisibility cloaks"
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