Nebula
Why in news: NASA recently thrilled space enthusiasts by releasing a stunning image of the Red Spider Nebula.
About Nebula:
Definition: A nebula is a massive cloud of dust and gas in space.
Origins:
- Some nebulae are remnants from the gas and dust expelled by a dying star, such as in a supernova explosion.
- Other nebulae are regions where new stars are forming, often referred to as “star nurseries.”
Star Formation:
- Nebulae consist primarily of hydrogen and helium, with dust and gases dispersed throughout.
- Gravity can pull together clumps of this dust and gas, causing them to condense.
- As these clumps grow, their gravitational pull intensifies, eventually leading to the collapse of the clump.
- The collapse causes the core of the clump to heat up, marking the birth of a new star.
- Location: Nebulae are found in interstellar space, the region between stars.
- Closest Nebula: The Helix Nebula is the nearest known nebula to Earth, located about 700 light-years away.
- Types: Nebulae vary in shape and size and are categorized into several types, including planetary nebulae, supernova remnants, dark nebulae, and emission nebulae.
Red Spider Nebula:
- Location: A planetary nebula situated 3,000 light-years from Earth in the constellation Sagittarius.
- Features: It contains one of the hottest known stars, which heats the surrounding gas to create shockwaves extending 62 billion miles (100 billion km) high.
Cyber Fraud Mitigation Centre (CFMC)
Why in News: Union Home Minister recently spoke at the inaugural Foundation Day event of the Indian Cyber Crime Coordination Centre (I4C) in New Delhi, where he introduced major initiatives aimed at preventing cybercrime.
New Cybersecurity Initiatives:
Cyber Fraud Mitigation Centre (CFMC):
- Established at the Indian Cybercrime Coordination Centre (I4C) in New Delhi.
- Includes representatives from banks, financial intermediaries, payment aggregators, telecom service providers, IT intermediaries, and state/UT law enforcement agencies (LEAs).
- Aims for immediate action and smooth cooperation to address online financial crimes.
- Exemplifies “Cooperative Federalism” in law enforcement.
Samanvaya Platform (Joint Cybercrime Investigation Facilitation System):
- A web-based module designed as a central portal for cybercrime data repository.
- Facilitates data sharing, crime mapping, data analytics, and coordination among LEAs nationwide.
‘Cyber Commandos’ Program:
- Establishes a special unit of trained ‘Cyber Commandos’ in states/UTs and central police organizations (CPOs).
- Trained commandos will assist in securing the digital landscape.
Suspect Registry:
- A new initiative for enhancing fraud risk management.
- Creates a registry of identifiers based on the National Cybercrime Reporting Portal, in collaboration with banks and financial intermediaries.
Key Facts about Indian Cyber Crime Coordination Centre (I4C):
Establishment and Purpose:
- Founded under the Ministry of Home Affairs (MHA) to address cybercrime in a coordinated and comprehensive manner.
- Focuses on improving coordination among LEAs and stakeholders.
Functions:
- Acts as a central point in the fight against cybercrime.
- Identifies research needs and develops new technologies and forensic tools.
- Prevents misuse of cyberspace by extremist and terrorist groups.
- Suggests amendments to cyber laws and coordinates Mutual Legal Assistance Treaties (MLAT) with other countries.
Components of I4C:
- National Cybercrime Threat Analytics Unit (TAU): Reports cybercrime threats regularly.
- National Cybercrime Reporting Portal (NCRP): Allows citizens to report cybercrime complaints 24/7.
- National Cybercrime Training Centre (NCTC): Provides training for government officials and law enforcement.
- National Cybercrime Research and Innovation Centre: Develops indigenous tools for cybercrime prevention.
- Platform for Joint Cyber Crime Coordination Team: Facilitates coordination and information sharing among states/UTs LEAs.
- Cybercrime Ecosystem Management Unit: Promotes mass awareness and cyber hygiene.
- National Cybercrime Forensic Laboratory (Investigation) Ecosystem: Supports cyber forensics investigations.
Additional Initiatives:
- I4C integrates academia, industry, the public, and government in cybercrime prevention and prosecution.
- Envisions the Cyber Crime Volunteers Program to engage citizens in combating cybercrime.
Montelukast
Why in News: Despite widespread caution, the sale of Montelukast in India remains largely unregulated and irrational, with a noticeable exponential increase.
About Montelukast:
Usage:
- Montelukast is an oral medication prescribed for long-term use as a “preventer” or “controller” of asthma attacks in adults and children aged 2 years and older.
- It is used to prevent exercise-induced bronchospasm in adults and children 6 years and older.
- The medication also helps manage allergy symptoms like sneezing, a stuffy or runny nose, and itching.
Development and Approval:
- Developed by Merck & Co., Montelukast was approved by the U.S. Food and Drug Administration (FDA) in 1998 and is marketed under the brand name ‘Singulair.’
- It works by blocking leukotrienes, substances in the body that cause inflammation and swelling, thereby improving asthma symptoms.
Regulatory Warnings:
- In 2020, the FDA issued a ‘black box warning’ for Montelukast due to concerns about serious neuropsychiatric side effects.
- The Medicines and Healthcare Products Regulatory Agency (MHRA) in the U.K. also issued a warning about potential neuropsychiatric adverse effects.
Do Mobile Phones Cause Cancer? New Analysis Debunks the Myth
A comprehensive review of research spanning 28 years has found no evidence linking mobile phone use to an increased risk of cancer. This new study, commissioned by the World Health Organization (WHO) and published in Environment International, reinforces the prevailing scientific consensus that radiofrequency (RF) waves emitted by mobile phones do not pose a cancer risk.
Understanding the Study
- Scope: The study analyzed over 5,000 individual studies, focusing on 63 from 22 countries that were deemed most relevant.
- Findings: None of the studies reviewed showed an increased risk of brain cancer or other cancers associated with mobile phone use, even with extended exposure.
How Mobile Phones Work
- Radiofrequency Waves: Mobile phones and wireless technologies use RF waves, a form of non-ionising radiation. This type of radiation has insufficient energy to damage DNA or heat body tissues.
- Comparison with Ionising Radiation: Unlike ionising radiation (e.g., X-rays, UV rays), RF waves do not possess the energy needed to cause cellular or genetic damage.
Common Misconceptions
- RF vs. Ionising Radiation: Radiofrequency waves are different from ionising radiation, which can damage DNA and lead to cancer. RF waves are used in technologies like WiFi, 4G, and 5G, and have been shown to be harmless in this context.
- Health Concerns: Claims that mobile phones or WiFi routers cause cancer are unfounded. The level of radiation from these devices is far below that which can cause harm.
Addressing Health Myths
- Public Perception: Despite the evidence, myths and concerns about mobile phones and health persist, often fueled by misinformation and conspiracy theories.
- Scientific Consensus: The consensus remains that mobile phone radiation is not harmful. No credible scientific studies have demonstrated a link between mobile phone use and cancer.
Conclusion
The latest review and extensive research reaffirm that mobile phones and wireless technologies are safe regarding cancer risk. Radiofrequency waves used in these devices are too weak to damage DNA or cause cancer, and ongoing research continues to support this conclusion. While vigilance is always prudent, the overwhelming evidence suggests that mobile phone use does not pose a cancer risk.