He also introduced cyclic cohomology in the early 1980s as a first step in the study of noncommutative differential geometry.

( Such Baby Doe Rules cases were then a major concern of the pro-life movement of the early 1980s, which viewed selective treatment of those infants as disability discrimination.

He subsequently wrote three novels merging these overarching themes, The World of Null-A and The Pawns of Null-A in the late 1940s, and Null-A Three in the early 1980s.

“ Baby Signs ” was developed by Dr. Linda Acredolo and Dr. Susan Goodwyn in the early 1980s, and has become a persistent trend in child development.

Through the late 1970s and early 1980s, the group's popularity continued to grow ( although they were always more popular in North America and Continental Europe than in their home country, never achieving a UK Top 40 single or Top 20 album ).

After the " Polish October " of 1956 the Sixth Section in Paris welcomed Polish historians and exchanges between the circle of the Annales and Polish scholars continued until the early 1980s.

Casa Milà was in poor condition in the early 1980s.

The best selling model, the Amiga 500, was introduced in 1987 and became the leading home computer of the late 1980s and early 1990s in much of Western Europe.

Archery competition in West Germany in the early 1980s

The company was badly hit by the economic contraction of the early 1980s as worldwide sales of Aston Martin shrank to three per week and chairman Alan Curtis together with fellow shareholders American Peter Sprague and Canadian George Minden came close to shutting down the production side of the business, to concentrate on service and restoration.

In the early 1980s a second wave of games consoles came to market, notably the Intellivision and numerous other announcements and releases.

Specialist acrylics have been manufactured and used for lino block printing ( acrylic block printing ink produced by Derivan since the early 1980s ), face painting, airbrushing, water color techniques, and fabric screen printing.

This portability feature, however, requires a portable television, which was extremely rare in the early 1980s.

In the early 1980s, Clinton made reform of the Arkansas education system a top priority.

Speed improved with the introduction of 1200 bit / s modems in the early 1980s, and this led to a substantial increase in popularity.

During the late 1980s and early 1990s, most BBSes used ANSI to make elaborate welcome screens, and colorized menus, and thus, ANSI support was a sought-after feature in terminal client programs.

An increasing percentage of the ranks are " long-service " volunteer professionals ; women were allowed to serve in the armed forces beginning in early 1980s when the Brazilian Army became the first army in South America to accept women into career ranks ; women serve in Navy and Air Force only in Women's Reserve Corps.

In the early 1980s, Brazil emerged as one of the leading armaments exporters in the developing world.

A period of large trade deficits and improper real estate investment hit Bulgaria hard during the late-2000s recession, resulting in a 5. 5 % GDP decline in that period, a rise in unemployment, and spending at least five quarters in its worst recession since the early 1980s.

Throughout the 1970s and early 1980s, De Palma worked repeatedly with actors Jennifer Salt, Amy Irving, Nancy Allen ( his wife from 1979 to 1983 ), Gary Sinise, John Lithgow, William Finley, Charles Durning, Gerrit Graham, cinematographers Stephen H. Burum and Vilmos Zsigmond ( see List of noted film director and cinematographer collaborations ), set designer Jack Fisk, and composers Bernard Herrmann, John Williams and Pino Donaggio.

His oldest son, Béla Bartók, Jr., remained in Hungary where he survived the war and later worked as a railroad official until his retirement in the early 1980s.

Carbamazepine became widely used to treat bipolar disorder in the late 1980s and early 1990s, but was displaced by sodium valproate in the 1990s.

During the late 1970s and early 1980s, the site hosted Creative Time's landmark Art on the Beach sculpture exhibitions.

* At Corby, the closure of the former Stewarts & Lloyds site in the early 1980s saw the loss of 11, 000 jobs, leading to an initial unemployment rate of over 30 %.

In the late 1980s and 1990s authors such as George Marcus and James Clifford pondered ethnographic authority, in particular how and why anthropological knowledge was possible and authoritative.

Most of the craft detailed are from the 1980s or earlier, but the navy acquired new boats from Spain and France in the 1990s.

The Amiga is a family of personal computers marketed by Commodore in the 1980s and 1990s.

" Jagdish Bhagwati argues that reforms that opened up the economies of China and India contributed to their higher growth in 1980s and 1990s.

During the 1980s and 1990s, she became one of the first CCM artists to cross over into mainstream pop on the heels of her successful albums Unguarded and Heart in Motion, the latter of which included the No. 1 single " Baby Baby ".

When emulators of 1980s video game consoles began to appear on home computers in the late 1990s, the Atari 7800 was one of the last to be emulated.

Through the 1980s and 1990s, Brooks co-wrote ( with longtime collaborator Monica Johnson ), directed and starred in a series of well-received comedies, playing variants on his standard neurotic and self-obsessed character.

For those more nostalgic for the true BBS experience, one can use NetSerial ( Windows ) or DOSBox ( Windows /* nix ) to redirect DOS COM port software to telnet, allowing them to connect to Telnet BBSes using 1980s and 1990s era modem terminal emulation software, like Telix, Terminate, Qmodem and Procomm Plus.

The stolen base remained a popular tactic through the 1980s, perhaps best exemplified by Vince Coleman and the St. Louis Cardinals, but began to decline again in the 1990s as the frequency of home runs reached unprecedented heights and the steal-friendly artificial turf ballparks began to disappear.

A number of political scandals in the 1980s and 1990s created the impression of what was described in the British press as " sleaze ": a perception that the then Conservative government was associated with political corruption and hypocrisy.

Interest in business ethics accelerated dramatically during the 1980s and 1990s, both within major corporations and within academia.

Firms started highlighting their ethical stature in the late 1980s and early 1990s, possibly trying to distance themselves from the business scandals of the day, such as the savings and loan crisis.

Throughout his career, he went on to write many other songs primarily for children to achieve an iconic acceptance among Turkish children of 1980s and 1990s.

His experimentation with electronic instruments in the late 1980s contributed to the 1990s sound of Turkish popular music.

During a rise of " retro " games in the late 1980s and early 1990s, Steve Jackson Games entered negotiations with Dennis Sustare and Scott Robinson, the current owners of the Bunnies & Burrows copyright, to publish an official GURPS supplement.

In the 1970s Clannad made their mark initially in the folk and traditional scene, and then subsequently went on to bridge the gap between traditional Celtic and pop music in the 1980s and 1990s, incorporating elements from New Age, smooth jazz, and folk rock.

After robust growth rates in the 1980s ( average annual growth was 6. 1 %), economic performance in the 1990s was mixed: real GDP growth was 9. 7 % in 1992, 1. 7 % in 1993, 6. 0 % in 1994, 6. 0 % in 1995, 1. 9 % in 1996 and 2. 3 % in 1997.

Singin ' in the Rain is another film adopted by American gay culture which used to regularly be shown during the 1980s and early 1990s for extended runs.

In a 1995 interview with Kurt Loder, Love divulged that in the late 1980s, guitarist Joe Strummer of The Clash told her that she was " the worst guitar player he'd ever heard ", but she insisted she had improved by the early 1990s: " I'm fine ...

The use of cadmium in applications such as pigments, coatings, stabilizers and alloys declined due to environmental and health regulations in the 1980s and 1990s ; in 2006, only 7 % of total cadmium consumption was used for plating and coating and only 10 % was used for pigments.