All articles starting with E

Ethics

Ethics, also called moral philosophy, is the branch of philosophy investigating what is right and wrong and whether moral judgments are objective or subjective, with branches including normative, applied, and metaethics.

Ethics Committees

Ethics committees, or hospital/clinical ethics committees (HECs, CECs), are multidisciplinary hospital bodies providing ethics consultation, education, and policy support; distinct from research ethics committees, they grew from 1% of US hospitals in the early 1980s to over 90% by the late 1990s.

Ethics Guidelines for Trustworthy AI

The Ethics Guidelines for Trustworthy AI are non-binding guidelines published in April 2019 by the European Commission's expert group, defining trustworthy AI as lawful, ethical, and robust.

Ethics of artificial intelligence

Ethics of artificial intelligence, or AI ethics, studies documented harms like wrongful arrests from facial recognition and biased hiring tools, plus long-term risks from advanced AI.

Ethics of care

Care ethics is a moral theory that emphasizes relationships and dependency over universal principles. It is often contrasted with justice-oriented theories and includes phases like attentiveness and responsibility.

Ethics of eating meat

Ethics of eating meat: philosophical debate over whether raising, killing, and consuming animals for food is morally justified. Key figures include Peter Singer (speciesism, Animal Liberation); positions span moral vegetarianism, new omnivorism, welfare ethics, and religious dietary law.

Ethics of technology

Ethics of technology, including computer ethics, digital ethics, and AI ethics, examines moral questions in designing and using technology; key frameworks include Moor's 1985 definition, OECD and UNESCO AI principles, NIST AI RMF, and the binding EU AI Act.

Oct 20, 2026

Ethidimuron

Ethidimuron (sulfodiazol, Ustilan, MET 1486) is a thiadiazolyl dimethylurea herbicide, CAS 30043-49-3, C7H12N4O3S2, MW 264.3. Not approved in the EU and deregistered in Australia in 1997 for lack of toxicological data.

Ethidium bromide

Ethidium bromide (EtBr), a phenanthridinium fluorescent dye that intercalates between DNA base pairs, is the classical stain for agarose gel electrophoresis; adopted in 1969, it is a mutagen now widely replaced by SYBR Safe, GelRed, and similar dyes.

Ethinamate

Ethinamate (Valmid), 1-ethynylcyclohexyl carbamate, C9H13NO2, is a discontinued short-acting nonbarbiturate carbamate sedative-hypnotic formerly used for insomnia; DEA Schedule IV, half-life 2.5 hours.

Ethinylestradiol

Ethinylestradiol (EE), synthetic estrogen first synthesized 1938 from estrone, estrogen component of combined oral contraceptives, patches, and rings; oral bioavailability 38–48%; VTE risk drives shift to estradiol and estetrol pills.

Ethio Telecom

Ethio Telecom is Ethiopia's state-controlled telecommunications operator, providing mobile, internet, and telebirr mobile money services, and the country's sole operator until Safaricom entered in 2022.

Ethio-Djibouti Railway

The Ethio-Djibouti Railway is a 656 km electrified standard gauge railway linking Addis Ababa to the port of Djibouti, opened for service on 1 January 2018.

Ethiofencarb

Ethiofencarb (Croneton, BAY 108594) is a Bayer-developed systemic carbamate insecticide, IRAC group 1A acetylcholinesterase inhibitor, used mainly against aphids; rat oral LD50 200 mg/kg, ADI 0-0.1 mg/kg bw, not EU-approved.

Ethion

Ethion (CAS 563-12-2), an organophosphate insecticide and acaricide inhibiting cholinesterase, used mainly on citrus and cattle; US registrations voluntarily canceled after EPA's 2001 RED, not approved in UK/EU.

Ethionamide

Ethionamide (Trecator) is an oral antituberculosis drug of the thioamide class, first synthesized in 1956 and used as a second-line agent in multidrug-resistant tuberculosis, though WHO now recommends against it in longer regimens.

Ethiopia (ኢትዮጵያ)

Ethiopia (ኢትዮጵያ), Federal Democratic Republic of Ethiopia, landlocked Horn of Africa country. Second most populous in Africa (~135.9M, 2025); highland plateau split by the Great Rift Valley; 2024 exchange-rate reforms; renewed Tigray conflict since 2026.

Oct 10, 2026

Ethiopia Investment Holdings (EIH)

Ethiopia Investment Holdings (EIH) is Ethiopia's sovereign wealth fund and state holding company, created in 2021 to manage about 40 state-owned enterprises, including Ethiopian Airlines and Ethio Telecom.

Ethiopia national football team (የአትዮጵያ ብሔራዊ እግር ኳስ ቡድን)

Ethiopia national football team (የአትዮጵያ ብሔራዊ እግር ኳስ ቡድን), the Walias: Ethiopian men's national team run by the Ethiopian Football Federation, first played 1947, AFCON champion 1962, never a World Cup qualifier, FIFA rank 143rd in 2026.

Ethiopia Planum

Ethiopia Planum, a planum (plateau) on Jupiter's volcanic moon Io, about 328 km across, centered at -45.48, 24.45; IAU-approved 1985, named for where the mythological Io passed by in her wanderings.

Oct 22, 2026

Ethiopia–Eritrea Boundary Commission

The Ethiopia–Eritrea Boundary Commission, known as the EEBC, was a five-member arbitral panel created by the 2000 Algiers Agreement that delimited the countries' border in 2002.

Ethiopian Air Force (የኢትዮጵያ አየር ኃይል)

The Ethiopian Air Force (የኢትዮጵያ አየር ኃይል) is the air force of Ethiopia, among Africa's earliest, with origins in 1929 and re-founded in 1947 under a Swedish commander.

Ethiopian Airlines (የኢትዮጵያ አየር መንገድ)

Ethiopian Airlines (የኢትዮጵያ አየር መንገድ) is the state-owned flag carrier of Ethiopia and Africa's largest airline. Founded in 1945, it is based at Addis Ababa Bole.

Ethiopian Airlines fleet

The Ethiopian Airlines fleet is the operating fleet of Ethiopian Airlines Group, the largest in Africa at 147 aircraft, mixing Boeing and Airbus widebodies, 737s, and Dash 8 turboprops.

Ethiopian Airlines Flight 302

Ethiopian Airlines Flight 302 was a scheduled flight from Addis Ababa to Nairobi that crashed in Ethiopia in March 2019, killing all 157 aboard and triggering the 737 MAX grounding.

Ethiopian Airlines Flight 409

Ethiopian Airlines Flight 409 (ET 409) was a passenger flight from Beirut to Addis Ababa that crashed into the Mediterranean Sea in 2010, killing all 90 aboard.

Ethiopian Airlines Flight 961

Ethiopian Airlines Flight 961 was a Boeing 767 hijacked on 23 November 1996 by three Ethiopians demanding to fly to Australia; ditched off the Comoros, it killed 125 of 175 aboard.

Sep 24, 2026

Ethiopian army of Adwa

The Ethiopian army of Adwa was the coalition army Emperor Menelik II raised in 1895, which defeated an Italian invading force at the Battle of Adwa.

Ethiopian birr

The Ethiopian birr (ብር), formerly the Ethiopian dollar, is the currency of Ethiopia, issued by the National Bank of Ethiopia and divided into 100 santim.