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Massive graveyard of fossilized shark teeth found deep in the Indian Ocean
A graveyard studded with thousands of shark teeth is lurking nearly 3.5 miles (5.400 kilometers) beneath the surface of the Indian Ocean.
Researchers made the shocking discovery in October during a month-long expedition along the southern tip of Indonesia aboard the RV Investigator(opens in new tab), a 308-foot-long (94 meters) research vessel operated by the Commonwealth Scientific and Industrial Research Organisation (CSIRO), Australia’s national science agency. On the final day of the voyage, and after 26 previous attempts, the researchers sank a trawling net into the deep water hoping to catch fish as part of an ongoing biodiversity survey. Instead, they pulled up a net’s worth of hundreds of shark teeth, according to a statement(opens in new tab).
“It was our very last sample of the trip before heading back to Australia,” Dianne Bray(opens in new tab), senior collections manager at the Museums Victoria Research Institute, told Live Science. “I was a little disappointed at first when we hauled up the net because it was filled with mud and I knew that there wasn’t going to be many fish specimens. And even if there were, they would be rumbled and damaged from all the mud.”
But as the researchers sifted through the mud-caked material, they realized the catch was than just a colossal mud pie.
“We tipped the contents out on the deck of the boat and as we went through everything, we found shark tooth after shark tooth,” Bray said. “We were finding teeth from [modern] mako and [great] white sharks, but also fossilized teeth from ancient sharks like the immediate ancestor of the giant megalodon shark.”
In total, researchers collected more than 750 teeth ranging in size from 0.39 inch (1 centimeter) to a single tooth from the megalodon ancestor measuring 4 inches (10 cm).The researchers noticed deposits of black manganese nodules growing on many of the teeth, which were the result of the teeth sitting on the ocean floor for so long. Otherwise, the teeth were all in good condition.
“It’s quite remarkable,” Bray said. “The teeth weren’t weathered, rumbled or tumbled. Bacteria consumed all of the organic matter from the teeth and the roots were gone, but otherwise the enamel was left.”
Researchers aren’t entirely sure why so many teeth accumulated in this swath of the ocean but they don’t think that hundreds of sharks died there, Bray said. Unlike humans, who are born with one set of baby teeth and replace them with one set of adult teeth during their lifetimes, sharks have an endless supply of teeth that are replaced “like a conveyor belt,” Gareth J. Fraser, lecturer in Evolutionary Developmental Biology at University of Sheffield in the U.K., wrote in The Conversation(opens in new tab).
The area where the teeth were found likely hosted a community of ancient sharks.
“The teeth were found on an abyssal plain and not out in the open ocean,” Bray said. “This area was part of an ancient reef covered with seamounts and we think a community of sharks swam around this area long ago.”
As they swam, they likely dropped their used-up teeth.
Bray said that the shark tooth haul barely “scraped the surface” of what was buried there.(Live science)
News
GL: Proposed anti-terror laws will sound death knell for democracy
‘Media freedom will be in jeopardy’
Former Minister of Justice, Constitutional Affairs, National Integration and Foreign Affairs Prof. G. L. Peiris has warned that the proposed Protection of the State from Terrorism Act (PSTA) will deal a severe blow to civil liberties and democratic rights, particularly media freedom and the overall freedom of expression.
Addressing a press conference organised by the joint opposition alliance “Maha Jana Handa” (Voice of the People) in Colombo, Prof. Peiris said the proposed legislation at issue had been designed “not to protect people from terrorism but to protect the State.”
Prof. Peiris said that the proposed law would sound the death knell for the rights long enjoyed by citizens, with journalists and media institutions likely to be among those worst affected.
Prof. Peiris took exception to what he described as the generous use of the concept of “recklessness” in the draft, particularly in relation to the publication of statements and dissemination of material. He argued that recklessness was recognised in criminal jurisprudence as a state of mind distinct from intention and its scope was traditionally limited.
“In this draft, it becomes yet another lever for the expansion of liability well beyond the properly designated category of terrorist offences,” Prof. Peiris said, warning that the elasticity of the term could expose individuals to prosecution on tenuous grounds.
Prof. Peiris was particularly critical of a provision enabling a suspect already in judicial custody to be transferred to police custody on the basis of a detention order issued by the Defence Secretary.
According to the proposed laws such a transfer could be justified on the claim that the suspect had committed an offence prior to arrest of which police were previously unaware, he said.
“The desirable direction of movement is from police to judicial custody. Here, the movement is in the opposite direction,” Prof. Peiris said, cautioning that although the authority of a High Court Judge was envisaged, the pressures of an asserted security situation could render judicial oversight ineffective in practice.
Describing the draft as “a travesty rather than a palliative,” Prof. Peiris said the government had reneged on assurances that reform would address longstanding concerns about existing counter-terrorism legislation. Instead of removing objectionable features, he argued, the new bill introduced additional provisions not found in the current Prevention of Terrorism Act (PTA).
Among them is a clause empowering the Defence Secretary to designate “prohibited places”. That was a power not contained in the PTA but previously exercised, if at all, under separate legislation such as the Official Secrets Act of 1955. Entry into such designated places, as well as photographing, video recording, sketching or drawing them, would constitute an offence punishable by up to three years’ imprisonment or a fine of up to Rs. 3 million. Prof. Peiris said. Such provision would have a “particularly chilling effect” on journalists and media personnel, he noted.
The former minister and law professor also criticised the breadth of offences defined under the draft, noting that it sought to create 13 categories of acts carrying the label of terrorism. This, he said, blurred the critical distinction between ordinary criminal offences and acts of terrorism, which require “clear and unambiguous definition with no scope for elasticity of interpretation.”
He cited as examples offences such as serious damage to public property, robbery, extortion, theft, and interference with electronic or computerised systems—acts which, he argued, were already adequately covered under existing penal laws and did not necessarily amount to terrorism.
Ancillary offences, too, had been framed in sweeping terms, Prof. Peiris said. The draft legislation, dealing with acts ‘associated with terrorism,’ imposed liability on persons “concerned in” the commission of a terrorist offence. “This is a vague phrase and catch-all in nature.” he noted.
Similarly, under the subheading ‘Encouragement of Terrorism,’ with its reference to “indirect encouragement,” could potentially encompass a broad spectrum of protest activity, Prof. Peiris maintained, warning that the provision on “Dissemination of Terrorist Publications” could render liable any person who provides a service enabling others to access such material. “The whole range of mainstream and social media is indisputably in jeopardy,” Prof. Peiris said.
Former Minister Anura Priyadarshana Yapa and SLFP Chairman Nimal Siripala de Silva also addressed the media at the briefing.
by Saman Indrajith ✍️
News
SJB complains to bribery commission about alleged bid to interfere with evidence
SJB Gampaha District MP Harshana Rajakaruna has written to the Chairman of the Commission to Investigate Allegations of Bribery or Corruption (CIABOC), Neil Iddawala, urging immediate action over attempts to interfere with evidence relating to a corruption complaint against Speaker Jagath Wickramaratne and his private secretary, Chameera Gallage.
In his letter, Rajakaruna refers to a complaint lodged on February 2, 2026, by Parliament’s suspended Deputy Secretary General Chaminda Kularatne under the Anti-Corruption Act No. 9 of 2023, naming the Speaker and his private secretary.
The Opposition MP has stated that Gallage subsequently wrote to the Secretary General of Parliament on 06 February, seeking a report on matters connected to the complaint. Rajakaruna alleges that Gallage’s letter amounts to an attempt to conceal or alter evidence and to influence potential witnesses.
News
Substandard Ondansetron: CIABOC launches probe
The Commission to Investigate Allegations of Bribery or Corruption (CIABOC) has launched a probe into the distribution of substandard Ondansetron injections to state hospitals following the deaths of two patients who received the drug.
The stock of Ondansetron has been imported from an Indian pharmaceutical company and distributed to several hospitals, according to a complaint lodged with the CIABOC.
Two patients, one at the Kandy Hospital and another at the Mulleriyawa National Institute of Health Sciences, died after suffering adverse complications subsequent to the administration of the injection.
by Sujeewa Thathsara ✍️
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