Tag: DNA tests
Why So Many Americans Are Traveling Back to Their Roots
The first generation of immigrants wants to survive, the second wants to assimilate, and the third wants to remember, the sociologist Marcus Lee Hansen wrote in 1938. The fourth, fifth, and sixth? Apparently they now want to go on a luxury vacation to visit the Welsh coal mines their ancestors crossed an ocean to escape.
So-called heritage tourism has grown into its own travel category, like skiing and whale watching. In 2019, an Airbnb survey found that the share of
Kalifornische Kondore sind in der Lage, “jungfräulich” zu sein
Wenn Sie so gefährdet sind wie der kalifornische Kondor, wird Ihr Sexualleben zu einer sehr öffentlichen Angelegenheit. Seit 1983, als es nur 22 kalifornische Kondore gab, züchten Biologen die Vögel sorgfältig in Gefangenschaft. Sie verfolgten, wer sich mit wem paarte, wie viele Nachkommen sie hatten und wann diese Nachkommen in die Wildnis entlassen wurden. All dies ist im offiziellen „Studbook“ des kalifornischen Kondors protokolliert.
Es war also ein Schock, als Wissenschaftler vor einigen Jahren im Rahmen der Routineforschung DNA-Tests auf
Do We Have a Right to Know Our Biological Parents?
Damian Adams grew up knowing that his parents had used an anonymous sperm donor to conceive him, and as a teen, he was even proud of this identity. He considered donating to help other families have children. Becoming a father himself, however, changed everything. When his daughter was born 18 years ago, he cradled her in his arms, and he instantly saw himself in her and her in himself. He felt a biological connection so powerful that it made